Re: [R] duplicate data
Hello, To average the values of z in case of duplicated x and y, you can use s2 - aggregate(z ~ x + y, data = sorpe, FUN = mean) Hope this helps, Rui Barradas Em 05-02-2013 07:06, Richard Müller escreveu: Hello, I have a long list of x-, y- and z-data and try to generate a heatmap. Obviously there are several data with identical x- and y-values. I get the following error message: Error in interp.old(x, y, z, xo = xo, yo = yo, ncp = 0, extrap = extrap, : duplicate data points: need to set 'duplicate = ..' Unfortunately there seems no help screen on duplicate. I'd prefer to average the z-values in case there are identical x/y-values. Is that possible? If necessary for an answer I'll copy the short script below. Thanks for helping! Richard % #RM¨u 5.2.2013, r.muel...@oeko-sorpe.de require(akima) # Das Paket akima wird ben¨otigt, um # nicht vorhandene Punkte zu interpolieren# und einen sch¨onen Farbgradienten hinzukriegen sorpe - read.csv(bis_130204-korr.csv) pdf(sorpe.pdf) # Es wird nicht auf den Bildschirm gezeichnet, # sondern ein PDF-Dokument erstellt. zr - range(290,220) # Hier wird der Bereich f¨ur die z-Werte# festgelegt: plot(ylim = c(7.9, 8), # Der Bereich der Achsen wird definiert xlim = c(51.30, 51.4), x ~ y, # Es soll ein x-y-Diagramm werden sorpe, # Aufruf der x-, y-, z-Tabelle pch = NA) # Die Punkte f¨ur die x-y-Wertepaare sollen unsichtbar sein (’NA’) sorpe.li - interp(sorpe$x, sorpe$y, sorpe$z) # Hier werden die fehlenden Punkte interpoliert image(sorpe.li, # In das Diagramm wird ein Rasterbild aus den interpolierten Werten gezeichnet zlim = zr, # Der vorher definierte Wertebereich wird aufgerufen col = rev(rainbow( # Ein in R vordefiniertes Farbmodell wird verwendet 30, start = 0, end = 8/12)), # mit 30 Farbabstufungen, die den z-Werten zugeordnet werden. add = TRUE) # Das Bild wird ¨uber das bereits Vorhandene# gezeichnet contour(sorpe.li, # Isohypsen werden eingezeichnet add = TRUE) points(sorpe, # Die urspr¨unglichen Messpunkte werden pch = 1)# eingezeichnet, und zwar als Kreise __ 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.
[R] duplicate data
Hello, I have a long list of x-, y- and z-data and try to generate a heatmap. Obviously there are several data with identical x- and y-values. I get the following error message: Error in interp.old(x, y, z, xo = xo, yo = yo, ncp = 0, extrap = extrap, : duplicate data points: need to set 'duplicate = ..' Unfortunately there seems no help screen on duplicate. I'd prefer to average the z-values in case there are identical x/y-values. Is that possible? If necessary for an answer I'll copy the short script below. Thanks for helping! Richard % #RM¨u 5.2.2013, r.muel...@oeko-sorpe.de require(akima) # Das Paket akima wird ben¨otigt, um # nicht vorhandene Punkte zu interpolieren# und einen sch¨onen Farbgradienten hinzukriegen sorpe - read.csv(bis_130204-korr.csv) pdf(sorpe.pdf)# Es wird nicht auf den Bildschirm gezeichnet, # sondern ein PDF-Dokument erstellt. zr - range(290,220)# Hier wird der Bereich f¨ur die z-Werte# festgelegt: plot(ylim = c(7.9, 8), # Der Bereich der Achsen wird definiert xlim = c(51.30, 51.4), x ~ y, # Es soll ein x-y-Diagramm werden sorpe, # Aufruf der x-, y-, z-Tabelle pch = NA) # Die Punkte f¨ur die x-y-Wertepaare sollen unsichtbar sein (’NA’) sorpe.li - interp(sorpe$x, sorpe$y, sorpe$z) # Hier werden die fehlenden Punkte interpoliert image(sorpe.li, # In das Diagramm wird ein Rasterbild aus den interpolierten Werten gezeichnet zlim = zr, # Der vorher definierte Wertebereich wird aufgerufen col = rev(rainbow( # Ein in R vordefiniertes Farbmodell wird verwendet 30, start = 0, end = 8/12)), # mit 30 Farbabstufungen, die den z-Werten zugeordnet werden. add = TRUE) # Das Bild wird ¨uber das bereits Vorhandene# gezeichnet contour(sorpe.li, # Isohypsen werden eingezeichnet add = TRUE) points(sorpe, # Die urspr¨unglichen Messpunkte werden pch = 1)# eingezeichnet, und zwar als Kreise -- Richard Müller . Am Spring 9 . D-58802 Balve http://www.oeko-sorpe.de - http://www.phytoplankton.info - http://independent.academia.edu/Richard __ 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] duplicate data
Hello, From ?interp.old duplicate character string indicating how to handle duplicate data points. Possible values are error produces an error message, strip remove duplicate z values, mean,median,user calculate mean , median or user defined function (dupfun) of duplicate z values. HTH, Pascal Le 13/02/05 16:06, Richard Müller a écrit : Hello, I have a long list of x-, y- and z-data and try to generate a heatmap. Obviously there are several data with identical x- and y-values. I get the following error message: Error in interp.old(x, y, z, xo = xo, yo = yo, ncp = 0, extrap = extrap, : duplicate data points: need to set 'duplicate = ..' Unfortunately there seems no help screen on duplicate. I'd prefer to average the z-values in case there are identical x/y-values. Is that possible? If necessary for an answer I'll copy the short script below. Thanks for helping! Richard % #RM¨u 5.2.2013, r.muel...@oeko-sorpe.de require(akima) # Das Paket akima wird ben¨otigt, um # nicht vorhandene Punkte zu interpolieren# und einen sch¨onen Farbgradienten hinzukriegen sorpe - read.csv(bis_130204-korr.csv) pdf(sorpe.pdf) # Es wird nicht auf den Bildschirm gezeichnet, # sondern ein PDF-Dokument erstellt. zr - range(290,220) # Hier wird der Bereich f¨ur die z-Werte# festgelegt: plot(ylim = c(7.9, 8), # Der Bereich der Achsen wird definiert xlim = c(51.30, 51.4), x ~ y, # Es soll ein x-y-Diagramm werden sorpe, # Aufruf der x-, y-, z-Tabelle pch = NA) # Die Punkte f¨ur die x-y-Wertepaare sollen unsichtbar sein (’NA’) sorpe.li - interp(sorpe$x, sorpe$y, sorpe$z) # Hier werden die fehlenden Punkte interpoliert image(sorpe.li, # In das Diagramm wird ein Rasterbild aus den interpolierten Werten gezeichnet zlim = zr, # Der vorher definierte Wertebereich wird aufgerufen col = rev(rainbow( # Ein in R vordefiniertes Farbmodell wird verwendet 30, start = 0, end = 8/12)), # mit 30 Farbabstufungen, die den z-Werten zugeordnet werden. add = TRUE) # Das Bild wird ¨uber das bereits Vorhandene# gezeichnet contour(sorpe.li, # Isohypsen werden eingezeichnet add = TRUE) points(sorpe, # Die urspr¨unglichen Messpunkte werden pch = 1)# eingezeichnet, und zwar als Kreise __ 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.
[R] duplicate data between two data frames according to row names
Hi everybody. I'll first explain my problem and what I'm trying to do. Admit this example: I'm working on 5 different weather stations. I have first in one file 3 of these 5 weather stations, containing their data. Here's an example of this file: DF1 - data.frame(station=c(ST001,ST004,ST005),data=c(5,2,8)) And my two other stations in this other data.frame: DF2 - data.frame(station=c(ST002,ST003),data=c(3,7)) I would like to add geographical coordinates of these weather stations inside these two data.frames, according to the number of the weather station. All of my geographical coordinates for each of the 5 weather stations are inside another data frame: DF3 - data.frame(station=c(ST001,ST002,ST003,ST004,ST005),lat=c(40,41,42,43,44),lon=c(1,2,3,4,5)) My question is: how can I put automatically these geographical coordinates inside my first 2 data frames, according to the number of the weather station? For this example, the first two data frames DF1 and DF2 should become: DF1 - data.frame(station=c(ST001,ST004,ST005),lat=c(40,43,44),lon=c(1,4,5),data=c(5,2,8)) and DF2 - data.frame(station=c(ST002,ST003),lat=c(41,42),lon=c(2,3),data=c(3,7)) I need to automatize this method because my real dataset contains 70 weather stations, and each file contains other (or same sometimes) stations , but each station can be found in the list of the coordinates file (DF3). Is there any way or any function able to do this kind of thing? Thank you very much! -- View this message in context: http://r.789695.n4.nabble.com/duplicate-data-between-two-data-frames-according-to-row-names-tp4636845.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] duplicate data between two data frames according to row names
Hi Jeff, looks like a job for ?rbind and ?merge merge(rbind(DF1,DF2),DF3) hth Am 18.07.2012 10:21, schrieb jeff6868: Hi everybody. I'll first explain my problem and what I'm trying to do. Admit this example: I'm working on 5 different weather stations. I have first in one file 3 of these 5 weather stations, containing their data. Here's an example of this file: DF1 - data.frame(station=c(ST001,ST004,ST005),data=c(5,2,8)) And my two other stations in this other data.frame: DF2 - data.frame(station=c(ST002,ST003),data=c(3,7)) I would like to add geographical coordinates of these weather stations inside these two data.frames, according to the number of the weather station. All of my geographical coordinates for each of the 5 weather stations are inside another data frame: DF3 - data.frame(station=c(ST001,ST002,ST003,ST004,ST005),lat=c(40,41,42,43,44),lon=c(1,2,3,4,5)) My question is: how can I put automatically these geographical coordinates inside my first 2 data frames, according to the number of the weather station? For this example, the first two data frames DF1 and DF2 should become: DF1 - data.frame(station=c(ST001,ST004,ST005),lat=c(40,43,44),lon=c(1,4,5),data=c(5,2,8)) and DF2 - data.frame(station=c(ST002,ST003),lat=c(41,42),lon=c(2,3),data=c(3,7)) I need to automatize this method because my real dataset contains 70 weather stations, and each file contains other (or same sometimes) stations , but each station can be found in the list of the coordinates file (DF3). Is there any way or any function able to do this kind of thing? Thank you very much! -- View this message in context: http://r.789695.n4.nabble.com/duplicate-data-between-two-data-frames-according-to-row-names-tp4636845.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. -- Eik Vettorazzi Institut für Medizinische Biometrie und Epidemiologie Universitätsklinikum Hamburg-Eppendorf Martinistr. 52 20246 Hamburg T ++49/40/7410-58243 F ++49/40/7410-57790 -- Pflichtangaben gemäß Gesetz über elektronische Handelsregister und Genossenschaftsregister sowie das Unternehmensregister (EHUG): Universitätsklinikum Hamburg-Eppendorf; Körperschaft des öffentlichen Rechts; Gerichtsstand: Hamburg Vorstandsmitglieder: Prof. Dr. Guido Sauter (Vertreter des Vorsitzenden), Dr. Alexander Kirstein, Joachim Prölß, Prof. Dr. Dr. Uwe Koch-Gromus __ 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] duplicate data between two data frames according to row names
merge is enough for me, thanks! I was thinking about a loop, or a function like grep, or maybe another function. I'll have to think easier next time! Thanks again! -- View this message in context: http://r.789695.n4.nabble.com/duplicate-data-between-two-data-frames-according-to-row-names-tp4636845p4636859.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] duplicate data between two data frames according to row names
Hi, You could use merge, join etc. merge(DF3,DF2) # station lat lon data #1 ST002 41 2 3 #2 ST003 42 3 7 library(plyr) join(DF3,DF2,type=inner) Joining by: station # station lat lon data #1 ST002 41 2 3 #2 ST003 42 3 7 #or join(DF3,DF2,type=right) Hope this helps A.K. - Original Message - From: jeff6868 geoffrey_kl...@etu.u-bourgogne.fr To: r-help@r-project.org Cc: Sent: Wednesday, July 18, 2012 4:21 AM Subject: [R] duplicate data between two data frames according to row names Hi everybody. I'll first explain my problem and what I'm trying to do. Admit this example: I'm working on 5 different weather stations. I have first in one file 3 of these 5 weather stations, containing their data. Here's an example of this file: DF1 - data.frame(station=c(ST001,ST004,ST005),data=c(5,2,8)) And my two other stations in this other data.frame: DF2 - data.frame(station=c(ST002,ST003),data=c(3,7)) I would like to add geographical coordinates of these weather stations inside these two data.frames, according to the number of the weather station. All of my geographical coordinates for each of the 5 weather stations are inside another data frame: DF3 - data.frame(station=c(ST001,ST002,ST003,ST004,ST005),lat=c(40,41,42,43,44),lon=c(1,2,3,4,5)) My question is: how can I put automatically these geographical coordinates inside my first 2 data frames, according to the number of the weather station? For this example, the first two data frames DF1 and DF2 should become: DF1 - data.frame(station=c(ST001,ST004,ST005),lat=c(40,43,44),lon=c(1,4,5),data=c(5,2,8)) and DF2 - data.frame(station=c(ST002,ST003),lat=c(41,42),lon=c(2,3),data=c(3,7)) I need to automatize this method because my real dataset contains 70 weather stations, and each file contains other (or same sometimes) stations , but each station can be found in the list of the coordinates file (DF3). Is there any way or any function able to do this kind of thing? Thank you very much! -- View this message in context: http://r.789695.n4.nabble.com/duplicate-data-between-two-data-frames-according-to-row-names-tp4636845.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. __ 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] duplicate data points on a line graph
On 7/15/2009 9:56 PM, Carl Witthoft wrote:
If you want to take the second approach, it can be relatively easily
generalized by calculating the cex values based on the count of ordered
pairs in the original dataset.
Here's a data set:
xy
x y
[1,] 1 4
[2,] 1 5
[3,] 2 3
[4,] 3 3
[5,] 4 5
[6,] 5 2
[7,] 1 4
[8,] 2 3
Here's the same set fully sorted:
xy[order(x,y),]-xyord
x y
[1,] 1 4
[2,] 1 4
[3,] 1 5
[4,] 2 3
[5,] 2 3
[6,] 3 3
[7,] 4 5
[8,] 5 2
There's gotta be some very simple way to create a series of values for
cex but I'm missing it, other than a loop like
cexvec-rep(1,8)
for i in 2:8 {
if (xyord[i,1]==xyord[i-1,1] xyord[i,2]== xyord[i-1,2] ) {
cexvec[i]-cexvec[i-1]+1
}
}
How about using ave() like this:
x - sample(0:4, 60, replace=TRUE)
y - sample(0:4, 60, replace=TRUE)
xy - data.frame(x, y)
xy$freq - ave(xy$x, x, y, FUN=length)
with(xy, plot(x, y, cex=freq))
You get the idea, sort of :-)
Carl
On 7/15/2009 2:19 PM, NDC/jshipman wrote:
Hi,
I am new to R plot. I am trying to increase the data point
observation when duplicate data points exist
xy
110
110
23
45
9 8
in the about example 1, 10 would be displayed larger than the other
data points. Could someone give me some assistance with this problem
A couple of simple approaches:
x - c(1,1,2,4,9)
y - c(10,10,3,5,8)
plot(jitter(x), jitter(y))
plot(x, y, cex=c(2,2,1,1,1))
757-864-7114
LARC/J.L.Shipman/jshipman
Jeffery.L.Shipman at nasa.gov
__
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PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
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--
Chuck Cleland, Ph.D.
NDRI, Inc. (www.ndri.org)
71 West 23rd Street, 8th floor
New York, NY 10010
tel: (212) 845-4495 (Tu, Th)
tel: (732) 512-0171 (M, W, F)
fax: (917) 438-0894
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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.
Re: [R] duplicate data points on a line graph
NDC/jshipman wrote: Hi, I am new to R plot. I am trying to increase the data point observation when duplicate data points exist xy 110 110 23 45 9 8 in the about example 1, 10 would be displayed larger than the other data points. Could someone give me some assistance with this problem Hi Jeffery, Have a look at sizeplot, cluster.overplot and count.overplot in the plotrix package. Jim __ 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.
[R] duplicate data points on a line graph
Hi, I am new to R plot. I am trying to increase the data point observation when duplicate data points exist x y 1 10 1 10 2 3 4 5 9 8 in the about example 1, 10 would be displayed larger than the other data points. Could someone give me some assistance with this problem 757-864-7114 LARC/J.L.Shipman/jshipman jeffery.l.ship...@nasa.gov __ 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] duplicate data points on a line graph
LARC/J.L.Shipman/jshipman wrote: I am new to R plot. I am trying to increase the data point observation when duplicate data points exist x y 1 10 1 10 2 3 4 5 9 8 in the about example 1, 10 would be displayed larger than the other data points. Could someone give me some assistance with this problem Not exactly what you want, but ?sunflowerplot might come close. Dieter -- View this message in context: http://www.nabble.com/duplicate-data-points-on-a-line-graph-tp24503299p24503357.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] duplicate data points on a line graph
On 7/15/2009 2:19 PM, NDC/jshipman wrote: Hi, I am new to R plot. I am trying to increase the data point observation when duplicate data points exist xy 110 110 23 45 9 8 in the about example 1, 10 would be displayed larger than the other data points. Could someone give me some assistance with this problem A couple of simple approaches: x - c(1,1,2,4,9) y - c(10,10,3,5,8) plot(jitter(x), jitter(y)) plot(x, y, cex=c(2,2,1,1,1)) 757-864-7114 LARC/J.L.Shipman/jshipman jeffery.l.ship...@nasa.gov __ 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. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ 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] duplicate data points on a line graph
Alternatively, you could make use of transparency (on some devices), or use ggplot2 to map the number of observations to the point size, d = read.table(textConnection( x y 1 10 1 10 2 3 4 5 9 8 ),head=T) library(ggplot2) # transparency qplot(x, y, data=d, alpha=I(0.5)) d2 = unique(ddply(d,.(x,y), transform, count=length(x))) # mapping number of obs. qplot(x, y, data=d2,size=count) HTH, baptiste 2009/7/15 Chuck Cleland cclel...@optonline.net On 7/15/2009 2:19 PM, NDC/jshipman wrote: Hi, I am new to R plot. I am trying to increase the data point observation when duplicate data points exist xy 110 110 23 45 9 8 in the about example 1, 10 would be displayed larger than the other data points. Could someone give me some assistance with this problem A couple of simple approaches: x - c(1,1,2,4,9) y - c(10,10,3,5,8) plot(jitter(x), jitter(y)) plot(x, y, cex=c(2,2,1,1,1)) 757-864-7114 LARC/J.L.Shipman/jshipman jeffery.l.ship...@nasa.gov __ 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. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ 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 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.
[R] duplicate data points on a line graph
If you want to take the second approach, it can be relatively easily
generalized by calculating the cex values based on the count of ordered
pairs in the original dataset.
Here's a data set:
xy
x y
[1,] 1 4
[2,] 1 5
[3,] 2 3
[4,] 3 3
[5,] 4 5
[6,] 5 2
[7,] 1 4
[8,] 2 3
Here's the same set fully sorted:
xy[order(x,y),]-xyord
x y
[1,] 1 4
[2,] 1 4
[3,] 1 5
[4,] 2 3
[5,] 2 3
[6,] 3 3
[7,] 4 5
[8,] 5 2
There's gotta be some very simple way to create a series of values for
cex but I'm missing it, other than a loop like
cexvec-rep(1,8)
for i in 2:8 {
if (xyord[i,1]==xyord[i-1,1] xyord[i,2]== xyord[i-1,2] ) {
cexvec[i]-cexvec[i-1]+1
}
}
You get the idea, sort of :-)
Carl
On 7/15/2009 2:19 PM, NDC/jshipman wrote:
Hi,
I am new to R plot. I am trying to increase the data point
observation when duplicate data points exist
xy
110
110
23
45
9 8
in the about example 1, 10 would be displayed larger than the other
data points. Could someone give me some assistance with this problem
A couple of simple approaches:
x - c(1,1,2,4,9)
y - c(10,10,3,5,8)
plot(jitter(x), jitter(y))
plot(x, y, cex=c(2,2,1,1,1))
757-864-7114
LARC/J.L.Shipman/jshipman
Jeffery.L.Shipman at nasa.gov
__
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.
