[R] how to automatically select certain columns using for loop in dataframe

t;correct" result: NUM_A NAME_A 1 1 Andy 2 2 Andrew 3 3 Angus 4 4 Alex 5 5 Argo NUM_B NAME_B 2 2 Barn 3 3 Bolton 4 4 Bravo NUM_C NAME_C 1 1 Candy 3 3 Cecil 4 4 Crayon 5 5 Corey NUM_D NAME_D 1 1 David 2 2 De

[R] Creating date seq in data frame

rect assignment like myData$xDate2 <- seq(xDate - 5, xDate + 5, by="day") and the like, but without result. Any idea is appreciated. Thanks much, Ferry [[alternative HTML version deleted]] __ R-help@r-project.org mailing list

Re: [R] how to make aggregation in R ?

c c1 11 31 7 c c2 39 99 8 c c3 15 35 9 d d1 16 36 10 d d2 17 37 11 d d3 18 38 12 d d4 39 79 In any case, did I do something wrong using the aggregate function? Thanks, Ferry On Thu, Mar 19, 2009 at 6:09 PM, Ferry wrote: > Hi,

[R] how to make aggregation in R ?

it to my real data, it failed. It seems that aggregate require more memory that I have currently (I am using WinXP, R2.8.0, 2GB RAM). Basically I want to perform aggregate sum on my numeric fields (in the above case, n1 and n2) based on condition of v1 and v2. Problem is, I have a lot more of than

Re: [R] converting null to some values

Sorry, the data is: temp <- data.frame(type1 = c("male", "female", "male", "female", "female"), type2 = c("low", "med", "high", "low", "med"), a = c(1,2,4, NA, 3), b = c(5,NA,5,1,2), c = c(0,

[R] converting null to some values

w 1 5 0 2 female med 2 0 0 3 male high 4 5 1 4 female low 0 1 1 5 female med 3 2 0 I've been trying with which() but without success. Any pointer is appreciated. Thank you, Ferry [[alternative HTML version deleted]]

[R] Writing xls - multiple sheets

Hi, Is there a package I can use to write to multiple sheets on xls file, other than using the paid version of xlsReadWrite package (xlsReadWritePro)? Thank you, Ferry __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

[R] Getting the difference between two data frames

how to do so in R. I tried all.equal, diff, and identical, but they don't give me the actual data difference. Thank you beforehand, Ferry __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

[R] Normality Test and T-Test

"pre_test p-value:", each_pretest$p.value, sep = "")) print(paste(each_group, "post_test p-value:", each_pretest$p.value, sep = "")) } and the same thing with t-test. Any idea is appreciated. Thank you. Ferry __

[R] aggregate / tranpose data

12345,23456,34567 Jane 13242,22123 Any idea/pointer is appreciated. Thanks a bunch, Ferry [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] adding rows as arithmatic calculation on original rows

gt; newrows[,"myID"] <- "+" > rbind ( DF2, newrows) > > > > > > - Original message - > From: "Gabor Grothendieck" <[EMAIL PROTECTED]> > To: "Ferry" <[EMAIL PROTECTED]> > Cc: r-help@r-project.org > D

Re: [R] adding rows as arithmatic calculation on original rows

12.0 > Single.2 b Single 15.0 25.0 35.0 > Single.myNum1 Single 12.5 18.0 23.5 > > > On Fri, Dec 5, 2008 at 3:21 PM, Ferry <[EMAIL PROTECTED]> wrote: > > Dear R users, > > > > Suppose I have the following data.frame: > > >

[R] adding rows as arithmatic calculation on original rows

6 8 fDouble 13 19.5 28 Any idea is appreciated. Thanks beforehand. Ferry [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

[R] grouped and stacked plot

that I am not accustomed (which is very like, since I am such as newbie with R, much less with R-graphics). Any idea is appreciated, Thanks, Ferry [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch

Re: [R] regex question

;(^[[:punct:]]+)" but it doesn't work. or, possibly it just my stupidity ? On Mon, Nov 3, 2008 at 5:59 PM, John Fox <[EMAIL PROTECTED]> wrote: > Dear Ferry, > > You're almost all the way there. Just apply each substitution in turn: > > varReg <- "* &

[R] regex question

h gsub, as below: patReg <- "([ >* ]+)" gsub(patReg, '', varReg) but it returned "thisismytext" any idea is appreciated. thanks, ferry __ 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] lattice: overlap histogram

Thank you Deepayan. Still on lattice, can the same overlap function be applied to categorical variable plot such as barchart? I mean, can I create an overlap barchart plot? On Tue, Oct 28, 2008 at 5:41 PM, Deepayan Sarkar <[EMAIL PROTECTED]>wrote: > On Tue, Oct 28, 2008 at 4:31

[R] lattice: overlap histogram

key = TRUE) Instead of having 2 * 3 panel, I want to have just 3 panel, overlapping the "Mode" into the same panel. I tried the following: histogram( ~Value | AgeGroup, data = stuff, groups = Mode, auto.key = TRUE) but I think it gave me incorrect result. Any help is appreciated.

Re: [R] lattice panel question

Dear Deepayan, Haris, and Baptiste, Thank you !!! Ferry On Tue, Oct 14, 2008 at 10:06 AM, Deepayan Sarkar <[EMAIL PROTECTED] > wrote: > On 10/13/08, Ferry <[EMAIL PROTECTED]> wrote: > > Dear R users, > > > > How to change lattice panel label/text from the a

[R] lattice panel question

Dear R users, How to change lattice panel label/text from the automatically generated label (based on the conditioning) to our own set of label? for example: someStuff <- data.frame(area = rep(c("SOUTH", "NORTH", "EAST", "WEST"), each = 25), group = rep(c("A","B","C","D"), each =

[R] RODBC-sqlSave questions

Hello, I have 4 data frames, say A, B, C, D. Each A, B, C has different columns set, and D has all of what A, B, and C have. So, here is the example: A has c1, c2, and c3 B has c4 and c5 C has c1, c5, and c6 D has c1, c2, c3, c4, c5, and c6. I want to load these data frames into an Oracle SQL ser

Re: [R] Remove Even Number from A Vector

x[!(x %% 2 == 0)] On Thu, Jul 31, 2008 at 10:01 PM, Gundala Viswanath <[EMAIL PROTECTED]>wrote: > Dear all, > > How can I remove the even number from the following vector > > > x > [1] 4 5 6 8 17 20 21 22 23 25 26 31 35 36 38 40 41 42 > 43 > [20] 44 50 74 75 82 84 89

[R] dotFirst option

Hi, I want to plot something the R opens. I created .First as follow: .First <- function() { plot(rnorm(100)) # do other stuff } But instead, I got error like below: Error in .First() : could not find function "plot" Any idea? Thanks. [[alternative HTML version deleted]]

[R] R-pmg (poor man gui) question

, then I would like the second gdroplist automatically populated with state that belong in the category of MidWest for further selection. Is this possible with pmg in R? I've tried reading all available manual and examples, but could not find similar case. Thank you, Ferry [[altern