[R] Loading Excel file into Limma

J Dougherty jwd at surewest.net
Thu Jan 12 05:40:56 CET 2006

R won't read an Excel sheet directly.  You need to export it, saving it as a 
CSV or tab delimited file.  You can then import using read.table.  The entire 
path and file have to be in double-quotes as well.  Try ?read.table for more 


On Wednesday 11 January 2006 19:48, N. Goodacre wrote:
> Dear mailing group,
>   This is my first time here. Glad to have this resource!
>   I am currently trying to load an Excel file into R (limma package loaded)
> using the source(*name of directory*) command, but it cannot open the file.
> I renamed the file as .R and .RData, to no avail. The Excel data contains
> one gene name per row and about 100 data points per gene (columns).
>   I am only used to loading preprepared microarray data with all the t's
> crossed and i's dotted, with the read.maimages command. Can anyone help me
> out with this silly-sounding "challenge"?
>   Sincerely - in the truest sense -
> Norman Goodacre
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