Steve Sidney wrote:
Hi Luc
Many thanks for the suggestions.
I will take a look at them as soon as I can.
Are the functions standard or are they part of a function and if so
which one?
Regards
Steve
----- Original Message ----- From: "Luc Villandre"
<villa...@dms.umontreal.ca>
To: "Steve Sidney" <sbsid...@mweb.co.za>
Cc: <r-help@r-project.org>
Sent: Wednesday, May 13, 2009 10:10 PM
Subject: Re: [R] Input to variables - help please
Steve Sidney wrote:
Dear list
I have managed to write a short program to evaluate data which is
inputted
from a csv file using the following
x = read.csv("wms_results.csv", header=TRUE)
All works fine but since I have a number of similar data files which
have
different names, I would like the program to allow me to input the file
name, rather than having to edit the program.
From the documentation I am unclear how to replace the
"filename.csv" with a
string varaiable so that from the keyboard I can input the name.
Also which command can I use to output some text to the monitor as a
prompt
Any help would be great and apologies for such a simple question. Thanks
Regards
Steve
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Hi Steve,
I suspect the choose.files() function could be useful in this setting.
Also, I've read on this forum that message() or cat() were commonly used
for a prompt (all taken from Prof. Brian Ripley's reply to "Prompt comes
too late").
Hope this helps,
Are you asking if they are part of a non-default package? If so, then
the answer is no: all these functions are included in packages that come
bundled with a regular installation of the latest version of R (base and
utils).
Cheers,
--
*Luc Villandré*
/Biostatistician
McGill University Health Center -
Montreal Children's Hospital Research Institute/
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