Re: [R] Maintaining repeated ID numbers when transposing with reshape

2008-08-26 Thread jcarmichael
split( df, df$ID ) > > out <- sapply( df.s, function(m) > tapply( m$RESULT, m$TEST, paste, collapse="," ) ) > > t(out) > > A B C > 1 "17,12" "15" "12" > 2 NA "8,9&q

[R] Maintaining repeated ID numbers when transposing with reshape

2008-08-25 Thread jcarmichael
I have a dataset in "long" format that looks something like this: ID TESTRESULT 1 A 17 1 A 12 1 B 15 1 C 12 2 B 8 2 B 9 Now what I would like to do is transpose it like so: IDTEST ATEST B

Re: [R] Using interactive plots to get information about data points

2008-08-25 Thread jcarmichael
Thank you for the GGobi reference, it is a very handy tool! My main goal, however, is to be able to identify univariate outliers (with boxplots for example), and I'm having a hard time getting the rggobi package to do that. Michael Bibo-2 wrote: > > > ?identify with labels argument. > > Anot

[R] Using interactive plots to get information about data points

2008-08-22 Thread jcarmichael
I have been experimenting with interactive packages such iplots and playwith. Consider the following sample dataset: A B C D 1 5 5 9 3 2 8 4 1 7 3 0 7 2 2 6 Let's say I make a plot of variable A. I would like to be able to click on a data point (e.g. 3) and have a pop-up window

[R] Negative Binomial Regression

2008-07-28 Thread jcarmichael
Hello. I am attempting to duplicate a negative binomial regression in R. SAS uses generalized estimating equations for model fitting in the GENMOD procedure. proc genmod data=mydata (where=(gender='F')); by agegroup; class id gender type; model count = var1 var2 var3 /dist=NB link=log offset=l

Re: [R] Using PrettyR to produce LaTeX output

2008-07-28 Thread jcarmichael
Thank you all for your input! I was able to create my descriptive table as well as a few other things I was having trouble with. Thanks again! J. jcarmichael wrote: > > Hello everyone. I am new to R, so please bear with me. I am trying to > find an easy way to export descriptive s

Re: [R] Using PrettyR to produce LaTeX output

2008-07-28 Thread jcarmichael
meric component > > BOD.describe.df <- as.data.frame(describe(BOD)$Numeric) > > library(xtable) > xtable(BOD.describe.df) > > On Wed, Jul 23, 2008 at 3:46 PM, jcarmichael <[EMAIL PROTECTED]> > wrote: >> >> Hello everyone. I am new to R, so please bear with me.

[R] Using PrettyR to produce LaTeX output

2008-07-23 Thread jcarmichael
Hello everyone. I am new to R, so please bear with me. I am trying to find an easy way to export descriptive statistics and other information about my data frame to a LaTeX format. I have found the describe function in PrettyR to be very helpful in producing results in the exact format I'm look