On May 10, 2011, at 10:54 AM, Jun Shen wrote:
Hi, Kenneth,
I would like a bit more advice on how to use gsub to remove the
spaces at
the beginning or the end for a data frame and still keep the data
frame in
the same format. The way I see is something like
gsub(' *$', '' , unlist(dataframe)). But the result is not a data
frame
anymore. Thanks.
1) Please do not attach unrelated questions to existing threads.
2) Please do include reproducible code that creates an example to work
with.
3) Please do read the help page for gsub with careful attention to the
datatypes it expects as input and the values it will return.
--
David.
Jun
On Mon, May 9, 2011 at 11:01 PM, Kenneth Roy Cabrera Torres <
krcab...@une.net.co> wrote:
Maybe in the original there are some "ghost" spaces after ng/ml,
verify them.
Any way you can erase the first and the last white spaces with gsub
function.
HTH
Kenneth
El lun, 09-05-2011 a las 22:44 -0500, Jun Shen escribió:
Dear list,
I used read.xls to read in an excel file, which has both character
and
numeric columns. Everything seems fine except in the last column,
I have
this character value "ng/ml". When reading in, read.xls seems to
add a
space
at the end of it, became "ng/ml ". How can I prevent read.xls
doing so?
Thanks.
read.xls(data, header=T, as.is=T)
Jun
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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