You need to read the file into an object:
dat <- read.table(file="C:\\Documents and Settings\\Owner\\My
Documents\\colon cancer1.txt",header=T,row.names=1)
On Sat, Jun 7, 2008 at 12:56 AM, Paul Adams <pma3622@yahoo.com> wrote:
> Hello everyone,
> I have two problems which I am unable to solve :
> 1.I am trying to add the row labels (g1-g2000) to the very left of a data
> table. The data
> table is 2000 rows by 62 columns.I have used the following code.
> read.table(file="C:\\Documents and Settings\\Owner\\My
Documents\\colon
> cancer1.txt",header=T,row.names=1)
> rowname(dat) <- paste("g", c(1:nrow(dat)), sep="")
> file.show(file="C:\\Documents and Settings\\Owner\\My Documents\\colon
> cancer1.txt")
> The error message I get is "error in nrow(dat):object "dat"
not found
> 2.I am also trying to populate a scatter plot with data from two columns
> which are 2000 values
> long.I have tried the following code:
> read.table(file="C:\\Documents and Settings\\Owner\\My
Documents\\colon
> cancer1.txt",header=T,row.names=1)
> file.show(file="C:\\Documents and Settings\\Owner\\My Documents\\colon
> cancer1..txt")
>
plot(50,1500,type='p',xlab='normal',ylab='tumor',main='Tumor
sample
> vs.Normal Sample-2000genes')
>
plot(50,1500,type='p',xlab='normal1',ylab='normal2',main='Two
normal
> samples--first 20 genes',pch=15,col='blue')
> plot(dat(,1), dat(,2))
> I get the following error message "error in plot (dat(,1),dat(,2)
could
> not find function dat
> I am not sure how I am suppossed to use function dat that is where and how
> to define it to the table?
> Any help would be appreciated.
> Paul
>
>
>
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>
>
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> PLEASE do read the posting guide
>
http://www.R-project.org/posting-guide.html<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 you are trying to solve?
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