Re: [R] suggestion for analysis ....MANOVA ?

2009-12-03 Thread ychu066

up up up ..

ychu066 wrote:
 
 Hi eveyone, 
 
 I am currently working with a porject which requires me to compare 6
 profiles which have 146 response variables . . . where profile one, two
 and three are tested on the same day say Day1 but ptofile five and six are
 on different days say Day2 and Day3.  
 
 I have two research question 
 
 1.Are profile within day the same/stable?
 2.Are profile across days the same/stable?
 
 Therefore , I was about to use a MANOVA but I dunno how to fit it ... or
 should I give another statistical method to analysis the data
 
 
 The data is also attached, please really take a look  THANKS 
  http://n4.nabble.com/file/n947342/HELP.csv HELP.csv 
 

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[R] suggestion for analysis ....MANOVA ?

2009-12-02 Thread ychu066

Hi eveyone, 

I am currently working with a porject which requires me to compare 6
profiles which have 146 response variables . . . where profile one, two and
three are tested on the same day say Day1 but ptofile five and six are on
different days say Day2 and Day3.  

I have two research question 

1.  Are profile within day the same/stable?
2.  Are profile across days the same/stable?

Therefore , I was about to use a MANOVA but I dunno how to fit it ... or
should I give another statistical method to analysis the data


The data is also attached, please really take a look  THANKS 
http://n4.nabble.com/file/n947342/HELP.csv HELP.csv 
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[R] Splitting the Distribution

2009-11-26 Thread ychu066

Hi all, 

I am wondering if R can split the distribution respect to the median ?  I
know it can be done in SAS.  

http://old.nabble.com/file/p26535862/Normal.bmp Normal.bmp  ?? 
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[R] Multivariate problems . . . with 200 resposes variables and 1 explanatory variable

2009-11-25 Thread ychu066

How should I analysis it in R  all the resposes variables are ordinal
from 0 to 10. and the explanatory variable is a factor ...
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[R] Adding text in the panels for Trellis plot ...

2009-11-25 Thread ychu066

i was trying to do a for loop for plotting the histograms , but it doesnt
work properly 

 library(lattice) 
 columns - 8:153 
 plots - vector(list, length(columns)) 
 j - 0 
 for (i in columns) 
+ {   
+   plots[[ j - j+1 ]] - histogram( ~ data[,i] | data[,2],ylab =
Frequency, 
+   xlab = Score, xlim = c(1,5), ylim = c(0,100),layout=c(3,1), 
+   main = c(colnames(data)[i],index,j+1),mycolors =
colors()[c(536,552,652,254,26)], 
+   panel = function(..., col, mycolors) { 
+   panel.histogram(..., col = mycolors[panel.number()])}) 
+ trellis.focus('strip', 1, 1, highlight=FALSE) 
+ ltext(0.60, -0.25, 'PPM', col='blue', pos=3) 
+ trellis.unfocus() 
+ }   
Error in grid.Call.graphics(L_downviewport, name$name, strict) : 
  Viewport 'plot1.strip.1.1.vp' was not found 
 
 print(plots[[1]]) 


I am not sure what was happeneing. . . can anyone help me ? 

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Re: [R] Trellis Plot

2009-11-24 Thread ychu066

i was trying to do a for loop for plotting the histograms , but it doesnt
work properly 

 library(lattice) 
 columns - 8:153 
 plots - vector(list, length(columns)) 
 j - 0 
 for (i in columns) 
+ {   
+   plots[[ j - j+1 ]] - histogram( ~ data[,i] | data[,2],ylab =
Frequency, 
+   xlab = Score, xlim = c(1,5), ylim = c(0,100),layout=c(3,1), 
+   main = c(colnames(data)[i],index,j+1),mycolors =
colors()[c(536,552,652,254,26)], 
+   panel = function(..., col, mycolors) { 
+   panel.histogram(..., col = mycolors[panel.number()])}) 
+ trellis.focus('strip', 1, 1, highlight=FALSE)
+ ltext(0.60, -0.25, 'PPM', col='blue', pos=3)
+ trellis.unfocus()
+ }   
Error in grid.Call.graphics(L_downviewport, name$name, strict) : 
  Viewport 'plot1.strip.1.1.vp' was not found
 
 print(plots[[1]])


I am not sure what was happeneing. . . can anyone help me ?


ychu066 wrote:
 
 anyone know how to add text in the Trellis plot panel ?? i want to add
 things eg: dot dot dot. in the headrer of the panel.
 
 eg:  http://old.nabble.com/file/p26486579/hist1.png hist1.png 
 

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[R] Translation from R codes to SAS.

2009-11-23 Thread ychu066

my teachers doesnt understand R and I don't know how to use SAS.  
Anyone interested in translating my codes to test whether your SAS codes are
as good as R???
 I can test it on SAS codes once you have translated it  



regards:working:
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[R] Trellis Plot

2009-11-23 Thread ychu066

anyone know how to add text in the Trellis plot panel ?? i want to add things
eg: dot dot dot. in the headrer of the panel.

eg:  http://old.nabble.com/file/p26486579/hist1.png hist1.png 
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[R] any equivalent SUM IF statement in R

2009-11-22 Thread ychu066

for example, i want to sum all the row entries if column 1 takes the value
boy. anyone knows ?
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Re: [R] How do I change the colour and format for the trelli plot ?

2009-11-22 Thread ychu066

NICE!!! thanks 

Deepayan Sarkar wrote:
 
 On Thu, Nov 19, 2009 at 6:03 AM, ychu066 ychu...@aucklanduni.ac.nz
 wrote:

 http://old.nabble.com/file/p26418382/hist1.png hist1.png  i want three
 plots
 along on the side , how to i do that ?

  and I also want to change the colour of the bars for each plot, how do i
 do
 that ?

 i got the code here to draw that ..
 
 This code did not produce the plot you have linked to. The answer to
 your question depends on how you created the plot, so you have to tell
 us that. Changing the color in all panels is easy:
 
 histogram(rnorm(100), col = goldenrod)
 
 Different colors in different panels is a little more work:
 
 histogram(~rnorm(100) | gl(3, 1, 100),
   mycolors = sample(colors(), 3),
   panel = function(..., col, mycolors) {
   panel.histogram(..., col = mycolors[panel.number()])
   })
 
 -Deepayan
 
 columns - 8:153
 plots - vector(list, length(columns))
 j - 0
 for (i in columns)
 {
  plots[[ j - j+1 ]] -
    histogram( ~ data[,i],
      ylab = Frequency, xlab = Score,
      xlim = c(1,5), ylim = c(0,100),
      main = colnames(data)[i]
    )
 }

 print(plots[[1]])

 # or export

 for (i in seq_along(plots))
 {
  png(paste(hist, i, .png, sep = ))
  print(plots[[i]])
  dev.off()
 }
 --
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Re: [R] How do I change the colour and format for the trelli plot ?

2009-11-22 Thread ychu066

anyone know how to add some text on the panel ??? for example 2.5, 50 and
1000 are mearsured in Litre, and i want to put the units beside the
measurements.  How could i do that? 




ychu066 wrote:
 
 NICE!!! thanks 
 
 Deepayan Sarkar wrote:
 
 On Thu, Nov 19, 2009 at 6:03 AM, ychu066 ychu...@aucklanduni.ac.nz
 wrote:

 http://old.nabble.com/file/p26418382/hist1.png hist1.png  i want three
 plots
 along on the side , how to i do that ?

  and I also want to change the colour of the bars for each plot, how do
 i do
 that ?

 i got the code here to draw that ..
 
 This code did not produce the plot you have linked to. The answer to
 your question depends on how you created the plot, so you have to tell
 us that. Changing the color in all panels is easy:
 
 histogram(rnorm(100), col = goldenrod)
 
 Different colors in different panels is a little more work:
 
 histogram(~rnorm(100) | gl(3, 1, 100),
   mycolors = sample(colors(), 3),
   panel = function(..., col, mycolors) {
   panel.histogram(..., col = mycolors[panel.number()])
   })
 
 -Deepayan
 
 columns - 8:153
 plots - vector(list, length(columns))
 j - 0
 for (i in columns)
 {
  plots[[ j - j+1 ]] -
    histogram( ~ data[,i],
      ylab = Frequency, xlab = Score,
      xlim = c(1,5), ylim = c(0,100),
      main = colnames(data)[i]
    )
 }

 print(plots[[1]])

 # or export

 for (i in seq_along(plots))
 {
  png(paste(hist, i, .png, sep = ))
  print(plots[[i]])
  dev.off()
 }
 --
 View this message in context:
 http://old.nabble.com/How-do-I-change-the-colour-and-format-for-the-trelli-plot---tp26418382p26418382.html
 Sent from the R help mailing list archive at Nabble.com.

 __
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http://old.nabble.com/file/p26471713/hist1.png hist1.png 
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Re: [R] How do I change the colour and format for the trelli plot ?

2009-11-19 Thread ychu066

what is that ?



Hrishi Mittal wrote:
 
 Add col=i in the histogram call.
 

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Re: [R] How do I change the colour and format for the trelli plot ?

2009-11-19 Thread ychu066

Fore example my code is 
histogram(~data[,8]|data[,2], ylab = Frequency, xlab = Score, xlim =
c(1,5), ylim = c(0,100),layout = c(3,1),col=data[,2] )

and i want the colour to be depended on the level of the factor in data[,2]. 
how do i do that ?





ychu066 wrote:
 
 what is that ?
 
 
 
 Hrishi Mittal wrote:
 
 Add col=i in the histogram call.
 
 
 

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Re: [R] How do I change the colour and format for the trelli plot ?

2009-11-19 Thread ychu066

I want to change the colour of the histogram in each panel by the levels of
the conoditonal factor.

I have 3 levels in the factor 

levels(data[,2])[1] 
levels(data[,2])[2]
levels(data[,2])[3]

what can i do , in order to chnage the colour ??



ychu066 wrote:
 
 Fore example my code is 
 histogram(~data[,8]|data[,2], ylab = Frequency, xlab = Score, xlim =
 c(1,5), ylim = c(0,100),layout = c(3,1),col=data[,2] )
 
 and i want the colour to be depended on the level of the factor in
 data[,2].  how do i do that ?
 
 
 
 
 
 ychu066 wrote:
 
 what is that ?
 
 
 
 Hrishi Mittal wrote:
 
 Add col=i in the histogram call.
 
 
 
 
 

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[R] RE shaping large dataset

2009-11-19 Thread ychu066

I am doing a project which involve reshaping a large dataset, can any of you
please sugguest me some good reading/websites/ examples  can be in R and
SAS 


Thanks everyone !!! 
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Re: [R] How do I change the colour and format for the trelli plot ?

2009-11-19 Thread ychu066

I AM REALLY LOST .





ychu066 wrote:
 
 I want to change the colour of the histogram in each panel by the levels
 of the conoditonal factor.
 
 I have 3 levels in the factor 
 
 levels(data[,2])[1] 
 levels(data[,2])[2]
 levels(data[,2])[3]
 
 what can i do , in order to chnage the colour ??
 
 
 
 ychu066 wrote:
 
 Fore example my code is 
 histogram(~data[,8]|data[,2], ylab = Frequency, xlab = Score, xlim =
 c(1,5), ylim = c(0,100),layout = c(3,1),col=data[,2] )
 
 and i want the colour to be depended on the level of the factor in
 data[,2].  how do i do that ?
 
 
 
 
 
 ychu066 wrote:
 
 what is that ?
 
 
 
 Hrishi Mittal wrote:
 
 Add col=i in the histogram call.
 
 
 
 
 
 
 
%-|%-|%-|%-|%-|%-|%-|
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Re: [R] re placing the dates format in R for exporting the data set...

2009-11-18 Thread ychu066


Ok thanks 



jholtman wrote:
 
 ?write.table
 
 If you read the help file, and do a little experimenting, you will see
 that there is a parameter 'rownames=FALSE' that may answer your
 question.
 
 Also since you did not have column names on your input, you get V1,
 V2,...  You can put your own column names.  It helps again to read the
 help file on 'read.table' and look at the parameter 'col.names'.
 There is also the colnames function.  It also might help to (re)read
 the Intro to R.
 
 On Tue, Nov 17, 2009 at 8:27 PM, ychu066 ychu...@aucklanduni.ac.nz
 wrote:

 Moreover,  I want to rename the column name V1,V2,V3,V4.V146.  how do
 i
 write the code in R ???

 thanks everyone that look at the thread/



 ychu066 wrote:

 hi everyone, i am having difficulties with replacing the dates format in
 R
 for exporting the data set...

 eg: the code that i used was
 toms_dat- replace(toms_dat, toms_dat ==2009-08-06, 2)
 toms_dat- replace(toms_dat, toms_dat ==2009-08-04, 1)

 but when i export the data as into txt file or excel file the dates come
 up with very large numbers .:drunk:

 please help me ...=)

 http://old.nabble.com/file/p26400792/what.csv what.csv
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 -- 
 Jim Holtman
 Cincinnati, OH
 +1 513 646 9390
 
 What is the problem that you are trying to solve?
 
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[R] How do I change the colour and format for the trelli plot ?

2009-11-18 Thread ychu066

http://old.nabble.com/file/p26418382/hist1.png hist1.png  i want three plots
along on the side , how to i do that ?

 and I also want to change the colour of the bars for each plot, how do i do
that ?

i got the code here to draw that ..
columns - 8:153 
plots - vector(list, length(columns)) 
j - 0 
for (i in columns) 
{   
  plots[[ j - j+1 ]] - 
histogram( ~ data[,i], 
  ylab = Frequency, xlab = Score, 
  xlim = c(1,5), ylim = c(0,100), 
  main = colnames(data)[i]
) 
} 

print(plots[[1]]) 

# or export 

for (i in seq_along(plots)) 
{ 
  png(paste(hist, i, .png, sep = )) 
  print(plots[[i]]) 
  dev.off() 
} 
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Re: [R] HOw to delete a row in the data matrix and change the order of the row ???

2009-11-18 Thread ychu066

done thanks 

Uwe Ligges-3 wrote:
 
 Assign new row names?
 
 Uwe Ligges
 
 
 ychu066 wrote:
 hi, 
 
 i delete row 65,70,75 in my data
 data- data[-c(65,70,75),]  
 
 But i also want the order of the row to match up 
 eg: 
 
 67  1111111111111   
 1   
 1
 68  1111111111111   
 1   
 1
 69  1111111111111   
 1   
 1
 71  1111111111111   
 1   
 1
 72  1111111111111   
 1   
 1
 73  1111111111111   
 1   
 1
 74  1111111111111   
 1   
 1
 76  1111111111111   
 1   
 1
 77  1111111111111   
 1   
 1
 
 I dont want this , I don't want a gap between 69-71 , 73-74 and 74-76.
 
 i want it like this 
 67  1111111111111   
 1   
 1
 68  1111111111111   
 1   
 1
 69  1111111111111   
 1   
 1
 70  1111111111111   
 1   
 1
 71  1111111111111   
 1   
 1
 72  1111111111111   
 1   
 1
 73  1111111111111   
 1   
 1
 74  1111111111111   
 1   
 1
 75  1111111111111   
 1   
 1
 
 please help me ... 
 

 
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Re: [R] How do I change the colour and format for the trelli plot ?

2009-11-18 Thread ychu066

I have solved the first problem by using layout=c(1,3) 

but still cant find the solution for the next problem of getting differenct
colour for the bars in the 3 different histogram plots


ychu066 wrote:
 
  http://old.nabble.com/file/p26418382/hist1.png hist1.png  i want three
 plots along on the side , how to i do that ?
 
  and I also want to change the colour of the bars for each plot, how do i
 do that ?
 
 i got the code here to draw that ..
 columns - 8:153 
 plots - vector(list, length(columns)) 
 j - 0 
 for (i in columns) 
 {   
   plots[[ j - j+1 ]] - 
 histogram( ~ data[,i], 
   ylab = Frequency, xlab = Score, 
   xlim = c(1,5), ylim = c(0,100), 
   main = colnames(data)[i]
 ) 
 } 
 
 print(plots[[1]]) 
 
 # or export 
 
 for (i in seq_along(plots)) 
 { 
   png(paste(hist, i, .png, sep = )) 
   print(plots[[i]]) 
   dev.off() 
 } 
 

-- 
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Re: [R] re placing the dates format in R for exporting the data set...

2009-11-18 Thread ychu066

hey Jim ,

I have solve the column name problems now.  But i am still unable to read
the date in R ...

toms_dat- replace(toms_dat, toms_dat ==2009-08-24, 6)

the toms_dat is a data frame , and I  want to replace the date to be a
single number eg:1,2,3, 

regards,
Tom.





jholtman wrote:
 
 First of all '2009-08-06' is 1995; this is probably not what you were
 expecting.  What do you what your expression to do?  Is 'toms_dat' a
 dataframe?  if so, your expression 'toms_dat ==2009-08-06' seem
 strange.  So tell us what you want to do, not how you want to do it.
 
 On Tue, Nov 17, 2009 at 4:54 PM, ychu066 ychu...@aucklanduni.ac.nz
 wrote:

 hi everyone, i am having difficulties with replacing the dates format in
 R
 for exporting the data set...

 eg: the code that i used was
 toms_dat- replace(toms_dat, toms_dat ==2009-08-06, 2)
 toms_dat- replace(toms_dat, toms_dat ==2009-08-04, 1)

 but when i export the data as into txt file or excel file the dates come
 up
 with very large numbers .:drunk:

 please help me ...=)
 --
 View this message in context:
 http://old.nabble.com/replacing-the-dates-format-in-R-for-exporting-the-data-set...-tp26396492p26396492.html
 Sent from the R help mailing list archive at Nabble.com.

 __
 R-help@r-project.org mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide
 http://www.R-project.org/posting-guide.html
 and provide commented, minimal, self-contained, reproducible code.

 
 
 
 -- 
 Jim Holtman
 Cincinnati, OH
 +1 513 646 9390
 
 What is the problem that you are trying to solve?
 
 __
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Re: [R] How do I change the colour and format for the trelli plot ?

2009-11-18 Thread ychu066

tried reading the help(histogram) but didnt fiind it helpful



ychu066 wrote:
 
 I have solved the first problem by using layout=c(1,3) 
 
 but still cant find the solution for the next problem of getting
 differenct colour for the bars in the 3 different histogram plots
 
 
 ychu066 wrote:
 
  http://old.nabble.com/file/p26418382/hist1.png hist1.png  i want three
 plots along on the side , how to i do that ?
 
  and I also want to change the colour of the bars for each plot, how do i
 do that ?
 
 i got the code here to draw that ..
 columns - 8:153 
 plots - vector(list, length(columns)) 
 j - 0 
 for (i in columns) 
 {   
   plots[[ j - j+1 ]] - 
 histogram( ~ data[,i], 
   ylab = Frequency, xlab = Score, 
   xlim = c(1,5), ylim = c(0,100), 
   main = colnames(data)[i]
 ) 
 } 
 
 print(plots[[1]]) 
 
 # or export 
 
 for (i in seq_along(plots)) 
 { 
   png(paste(hist, i, .png, sep = )) 
   print(plots[[i]]) 
   dev.off() 
 } 
 
 
 

-- 
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http://old.nabble.com/How-do-I-change-the-colour-and-format-for-the-trelli-plot---tp26418382p26419023.html
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Re: [R] Plotting Histogram using histogram() and for loop and I want to save the histogram individually ... HELP

2009-11-17 Thread ychu066

tried but still doesnt work ...

very weird ...

ychu066 wrote:
 
 here is the codes that i tried.
 
 png(paste(hist,i,.png,sep=) 
 + library(lattice)
 Error: unexpected symbol in:
 png(paste(hist,i,.png,sep=) 
 library
 for(i in 8:153){ 
 + histogram(~ data[,i] | data[,2],
 data=data,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)))
 Error: unexpected ')' in:
 for(i in 8:153){ 
 histogram(~ data[,i] | data[,2],
 data=data,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)))
 }
 Error: unexpected '}' in }
 dev.off()
 Error in dev.off() : cannot shut down device 1 (the null device)
 
 
 ychu066 wrote:
 
 still doesnt work ...
 
 
 Karl Ove Hufthammer wrote:
 
 On Thu, 12 Nov 2009 19:10:52 -0800 (PST) ychu066 ychu066
 @aucklanduni.ac.nz wrote:
 And I also want to save each histogram in each separate pdf file using
 the
 following codes ?.
 png(hist.png[i])
 dev.off()
 
 Try png(paste(hist,i,.png,sep=) instead.
 
 -- 
 Karl Ove Hufthammer
 
 __
 R-help@r-project.org mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide
 http://www.R-project.org/posting-guide.html
 and provide commented, minimal, self-contained, reproducible code.
 
 
 
 
 
 

-- 
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and provide commented, minimal, self-contained, reproducible code.


Re: [R] Plotting Histogram using histogram() and for loop and Iwant to save the histogram individually ... HELP

2009-11-17 Thread ychu066

THANKS EVERYONE, IT WORKS NOW !!!

BY THE WAY, i want to improve my R coding skills, any suggestion for me ?



Colin Millar wrote:
 
 Or alternatively store as a list and export later if you want
 
 ... after some tidying ...
 
 
 library(lattice)
 
 columns - 8:153
 plots - vector(list, length(columns)) 
 j - 0
 for (i in columns)
 {  
   plots[[ j - j+1 ]] - 
 histogram( ~ data[,i] | data[,2], 
   ylab = Frequency, xlab = Score, 
   xlim = c(1,5), ylim = c(0,100),
   main = colnames(data)[i]
 )
 }
 
 print(plots[[1]]) 
 
 # or export
 
 for (i in seq_along(plots))
 {
   png(paste(hist, i, .png, sep = ))
   print(plots[[i]])
   dev.off()
 }
 
 HTH
 Colin.
 
 Incidentally, 
 
 You put what you want to export between png(..) and dev.off()
 
 If you supply the data explicitly it doesn't make any sense to pass the
 data through the data argument.
 
 No need for paste(x) if is x is already a character vector.
 
 
 -Original Message-
 From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
 On Behalf Of Tal Galili
 Sent: 17 November 2009 12:15
 To: ychu066
 Cc: r-help@r-project.org
 Subject: Re: [R] Plotting Histogram using histogram() and for loop and
 Iwant to save the histogram individually ... HELP
 
 I know how you feel,
 I came a cross the same problem once, which took sometime to find a
 solution
 for.
 
 What you need to do is put the hist into a variable and then plot it,
 for
 example:
 
 
 
 library(lattice)
 for(i in 8:153){
 
 hist.to.plot - histogram(~ data[,i] | data[,2],
 data=data,,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)),main
 =paste(colnames(data)[i],sep=)
 plot(hist.to.plot)
 }
 
 
 Cheers,
 Tal
 
 
 --
 
 
 My contact information:
 Tal Galili
 E-mail: tal.gal...@gmail.com
 Phone number: 972-52-7275845
 FaceBook: Tal Galili
 My Blogs:
 http://www.talgalili.com (Web and general, Hebrew)
 http://www.biostatistics.co.il (Statistics, Hebrew)
 http://www.r-statistics.com/ (Statistics,R, English)
 
 
 
 
 On Tue, Nov 17, 2009 at 7:09 AM, ychu066 ychu...@aucklanduni.ac.nz
 wrote:
 

 tried but still doesnt work ...

 very weird ...

 ychu066 wrote:
 
  here is the codes that i tried.
 
  png(paste(hist,i,.png,sep=)
  + library(lattice)
  Error: unexpected symbol in:
  png(paste(hist,i,.png,sep=)
  library
  for(i in 8:153){
  + histogram(~ data[,i] | data[,2],
  data=data,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)))
  Error: unexpected ')' in:
  for(i in 8:153){
  histogram(~ data[,i] | data[,2],
  data=data,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)))
  }
  Error: unexpected '}' in }
  dev.off()
  Error in dev.off() : cannot shut down device 1 (the null device)
 
 
  ychu066 wrote:
 
  still doesnt work ...
 
 
  Karl Ove Hufthammer wrote:
 
  On Thu, 12 Nov 2009 19:10:52 -0800 (PST) ychu066 ychu066
  @aucklanduni.ac.nz wrote:
  And I also want to save each histogram in each separate pdf file
 using
  the
  following codes ?.
  png(hist.png[i])
  dev.off()
 
  Try png(paste(hist,i,.png,sep=) instead.
 
  --
  Karl Ove Hufthammer
 
  __
  R-help@r-project.org mailing list
  https://stat.ethz.ch/mailman/listinfo/r-help
  PLEASE do read the posting guide
  http://www.R-project.org/posting-guide.html
  and provide commented, minimal, self-contained, reproducible code.
 
 
 
 
 
 

 --
 View this message in context:

 http://old.nabble.com/Plotting-Histogram-using-histogram%28%29-and-for-l
 oop-and-I-want-to-save-the-histogram-individually-...-HELP-tp26328734p26
 384489.html
 Sent from the R help mailing list archive at Nabble.com.

 __
 R-help@r-project.org mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide
 http://www.R-project.org/posting-guide.html
 and provide commented, minimal, self-contained, reproducible code.

 
   [[alternative HTML version deleted]]
 
 __
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 __
 This email has been scanned by the MessageLabs Email Security System.
 For more information please visit http://www.messagelabs.com/email 
 
 __
 R-help@r-project.org mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide
 http://www.R-project.org/posting-guide.html
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[R] re placing the dates format in R for exporting the data set...

2009-11-17 Thread ychu066

hi everyone, i am having difficulties with replacing the dates format in R
for exporting the data set...

eg: the code that i used was 
toms_dat- replace(toms_dat, toms_dat ==2009-08-06, 2)
toms_dat- replace(toms_dat, toms_dat ==2009-08-04, 1)

but when i export the data as into txt file or excel file the dates come up
with very large numbers .:drunk:

please help me ...=)
-- 
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http://old.nabble.com/replacing-the-dates-format-in-R-for-exporting-the-data-set...-tp26396492p26396492.html
Sent from the R help mailing list archive at Nabble.com.

__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.


Re: [R] re placing the dates format in R for exporting the data set...

2009-11-17 Thread ychu066

moreover, how come when I export a dataframe out from R say, it become a
excel file.  The first column includes the inex number eg: 1,2,3 ..n
instead of including the values that the first column should be have 

anyone know how to solve this problem ?


ychu066 wrote:
 
 hi everyone, i am having difficulties with replacing the dates format in R
 for exporting the data set...
 
 eg: the code that i used was 
 toms_dat- replace(toms_dat, toms_dat ==2009-08-06, 2)
 toms_dat- replace(toms_dat, toms_dat ==2009-08-04, 1)
 
 but when i export the data as into txt file or excel file the dates come
 up with very large numbers .:drunk:
 
 please help me ...=)
 

-- 
View this message in context: 
http://old.nabble.com/replacing-the-dates-format-in-R-for-exporting-the-data-set...-tp26396492p26400287.html
Sent from the R help mailing list archive at Nabble.com.

__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.


Re: [R] Plotting Histogram using histogram() and for loop and Iwant to save the histogram individually ... HELP

2009-11-17 Thread ychu066

Hi again, do you know how can I use the main function to change the title for
eac h histogram. i.e that first graph show have a title Index 1 but
because the variable name column starts the 8th the title shows up as Index
8 , i have tried use main = colnames(data)[i-1] but it result errors




Colin Millar wrote:
 
 Or alternatively store as a list and export later if you want
 
 ... after some tidying ...
 
 
 library(lattice)
 
 columns - 8:153
 plots - vector(list, length(columns)) 
 j - 0
 for (i in columns)
 {  
   plots[[ j - j+1 ]] - 
 histogram( ~ data[,i] | data[,2], 
   ylab = Frequency, xlab = Score, 
   xlim = c(1,5), ylim = c(0,100),
   main = colnames(data)[i]
 )
 }
 
 print(plots[[1]]) 
 
 # or export
 
 for (i in seq_along(plots))
 {
   png(paste(hist, i, .png, sep = ))
   print(plots[[i]])
   dev.off()
 }
 
 HTH
 Colin.
 
 Incidentally, 
 
 You put what you want to export between png(..) and dev.off()
 
 If you supply the data explicitly it doesn't make any sense to pass the
 data through the data argument.
 
 No need for paste(x) if is x is already a character vector.
 
 
 -Original Message-
 From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
 On Behalf Of Tal Galili
 Sent: 17 November 2009 12:15
 To: ychu066
 Cc: r-help@r-project.org
 Subject: Re: [R] Plotting Histogram using histogram() and for loop and
 Iwant to save the histogram individually ... HELP
 
 I know how you feel,
 I came a cross the same problem once, which took sometime to find a
 solution
 for.
 
 What you need to do is put the hist into a variable and then plot it,
 for
 example:
 
 
 
 library(lattice)
 for(i in 8:153){
 
 hist.to.plot - histogram(~ data[,i] | data[,2],
 data=data,,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)),main
 =paste(colnames(data)[i],sep=)
 plot(hist.to.plot)
 }
 
 
 Cheers,
 Tal
 
 
 --
 
 
 My contact information:
 Tal Galili
 E-mail: tal.gal...@gmail.com
 Phone number: 972-52-7275845
 FaceBook: Tal Galili
 My Blogs:
 http://www.talgalili.com (Web and general, Hebrew)
 http://www.biostatistics.co.il (Statistics, Hebrew)
 http://www.r-statistics.com/ (Statistics,R, English)
 
 
 
 
 On Tue, Nov 17, 2009 at 7:09 AM, ychu066 ychu...@aucklanduni.ac.nz
 wrote:
 

 tried but still doesnt work ...

 very weird ...

 ychu066 wrote:
 
  here is the codes that i tried.
 
  png(paste(hist,i,.png,sep=)
  + library(lattice)
  Error: unexpected symbol in:
  png(paste(hist,i,.png,sep=)
  library
  for(i in 8:153){
  + histogram(~ data[,i] | data[,2],
  data=data,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)))
  Error: unexpected ')' in:
  for(i in 8:153){
  histogram(~ data[,i] | data[,2],
  data=data,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)))
  }
  Error: unexpected '}' in }
  dev.off()
  Error in dev.off() : cannot shut down device 1 (the null device)
 
 
  ychu066 wrote:
 
  still doesnt work ...
 
 
  Karl Ove Hufthammer wrote:
 
  On Thu, 12 Nov 2009 19:10:52 -0800 (PST) ychu066 ychu066
  @aucklanduni.ac.nz wrote:
  And I also want to save each histogram in each separate pdf file
 using
  the
  following codes ?.
  png(hist.png[i])
  dev.off()
 
  Try png(paste(hist,i,.png,sep=) instead.
 
  --
  Karl Ove Hufthammer
 
  __
  R-help@r-project.org mailing list
  https://stat.ethz.ch/mailman/listinfo/r-help
  PLEASE do read the posting guide
  http://www.R-project.org/posting-guide.html
  and provide commented, minimal, self-contained, reproducible code.
 
 
 
 
 
 

 --
 View this message in context:

 http://old.nabble.com/Plotting-Histogram-using-histogram%28%29-and-for-l
 oop-and-I-want-to-save-the-histogram-individually-...-HELP-tp26328734p26
 384489.html
 Sent from the R help mailing list archive at Nabble.com.

 __
 R-help@r-project.org mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide
 http://www.R-project.org/posting-guide.html
 and provide commented, minimal, self-contained, reproducible code.

 
   [[alternative HTML version deleted]]
 
 __
 R-help@r-project.org mailing list
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 This email has been scanned by the MessageLabs Email Security System.
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 PLEASE do read the posting guide
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 and provide commented, minimal, self-contained, reproducible code.
 
 

-- 
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http

Re: [R] re placing the dates format in R for exporting the data set...

2009-11-17 Thread ychu066

Moreover,  I want to rename the column name V1,V2,V3,V4.V146.  how do i
write the code in R ???

thanks everyone that look at the thread/



ychu066 wrote:
 
 hi everyone, i am having difficulties with replacing the dates format in R
 for exporting the data set...
 
 eg: the code that i used was 
 toms_dat- replace(toms_dat, toms_dat ==2009-08-06, 2)
 toms_dat- replace(toms_dat, toms_dat ==2009-08-04, 1)
 
 but when i export the data as into txt file or excel file the dates come
 up with very large numbers .:drunk:
 
 please help me ...=)
 
http://old.nabble.com/file/p26400792/what.csv what.csv 
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__
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.


[R] HOw to delete a row in the data matrix and change the order of the row ???

2009-11-17 Thread ychu066

hi, 

i delete row 65,70,75 in my data
data- data[-c(65,70,75),]  

But i also want the order of the row to match up 
eg: 

67  11111111111111   
1
68  11111111111111   
1
69  11111111111111   
1
71  11111111111111   
1
72  11111111111111   
1
73  11111111111111   
1
74  11111111111111   
1
76  11111111111111   
1
77  11111111111111   
1

I dont want this , I don't want a gap between 69-71 , 73-74 and 74-76.

i want it like this 
67  11111111111111   
1
68  11111111111111   
1
69  11111111111111   
1
70  11111111111111   
1
71  11111111111111   
1
72  11111111111111   
1
73  11111111111111   
1
74  11111111111111   
1
75  11111111111111   
1

please help me ... 


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Re: [R] Plotting Histogram using histogram() and for loop and I want to save the histogram individually ... HELP

2009-11-16 Thread ychu066

still doesnt work ...


Karl Ove Hufthammer wrote:
 
 On Thu, 12 Nov 2009 19:10:52 -0800 (PST) ychu066 ychu066
 @aucklanduni.ac.nz wrote:
 And I also want to save each histogram in each separate pdf file using
 the
 following codes ?.
 png(hist.png[i])
 dev.off()
 
 Try png(paste(hist,i,.png,sep=) instead.
 
 -- 
 Karl Ove Hufthammer
 
 __
 R-help@r-project.org mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide
 http://www.R-project.org/posting-guide.html
 and provide commented, minimal, self-contained, reproducible code.
 
 

-- 
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.


[R] Plotting graphs using FOR loop

2009-11-16 Thread ychu066

I have the following codes but can anyone make it shorter i.e making these
FOR loop into one loop ...
thanks...

par(mfrow=c(2,4)) 
for(i in 16:23){
hist(data[,i],main=paste(colnames(data)[i],sep=),ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100))
 
}   
png(histogram.png)
dev.off() 

par(mfrow=c(2,4)) 
for(i in 24:31){
hist(data[,i],main=paste(colnames(data)[i],sep=),ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100))
 
} 
png(histogram.png)
dev.off() 

par(mfrow=c(2,4)) 
for(i in 32:39){
hist(data[,i],main=paste(colnames(data)[i],sep=),ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100))
 
} 
png(histogram.png)
dev.off() 

par(mfrow=c(2,4)) 
for(i in 40:47){
hist(data[,i],main=paste(colnames(data)[i],sep=),ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100))
 
} 
png(histogram.png)
dev.off() 


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Re: [R] Plotting Histogram using histogram() and for loop and I want to save the histogram individually ... HELP

2009-11-16 Thread ychu066

here is the codes that i tried.

 png(paste(hist,i,.png,sep=) 
+ library(lattice)
Error: unexpected symbol in:
png(paste(hist,i,.png,sep=) 
library
 for(i in 8:153){ 
+ histogram(~ data[,i] | data[,2],
data=data,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)))
Error: unexpected ')' in:
for(i in 8:153){ 
histogram(~ data[,i] | data[,2],
data=data,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)))
 }
Error: unexpected '}' in }
 dev.off()
Error in dev.off() : cannot shut down device 1 (the null device)


ychu066 wrote:
 
 still doesnt work ...
 
 
 Karl Ove Hufthammer wrote:
 
 On Thu, 12 Nov 2009 19:10:52 -0800 (PST) ychu066 ychu066
 @aucklanduni.ac.nz wrote:
 And I also want to save each histogram in each separate pdf file using
 the
 following codes ?.
 png(hist.png[i])
 dev.off()
 
 Try png(paste(hist,i,.png,sep=) instead.
 
 -- 
 Karl Ove Hufthammer
 
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 R-help@r-project.org mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide
 http://www.R-project.org/posting-guide.html
 and provide commented, minimal, self-contained, reproducible code.
 
 
 
 

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and provide commented, minimal, self-contained, reproducible code.


[R] Plotting Histogram using histogram() and for loop and I want to save the histogram individually ... HELP

2009-11-12 Thread ychu066

I am trying to write R codes for the histogram plot and saving it out.

There will be 146 histogram plots in total….

I have the following R codes that draws the each Histogram ….
library(lattice)
for(i in 8:153){ 
histogram(~ data[,i] | data[,2],
data=data,,ylab=Frequency,xlim=c(1,5),xlab=Score,ylim=c(0,100)),main=paste(colnames(data)[i],sep=)
}


And I also want to save each histogram in each separate pdf file using the
following codes ….
png(hist.png[i])
dev.off()

But my R coding does NOT work …. I need someone to help me with this …….
Thanks million



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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.