Interesting. Thanks.
On Sat, 2009-02-07 at 02:36 +0100, Wacek Kusnierczyk wrote:
Andrew Choens wrote:
I regularly deal with a similar pattern at work. People send me these
big long .csv files and I have to run them through some pattern analysis
to decide which rows I keep and which rows I
Hi,
I'm new in the mailing list but I would appreciate if you could help
me with this:
I have a big matrix from where I need to delete specific rows. The
second entry on these rows to delete should match any string within a
list (other file with just one column).
Thank you so much!
Laura
Laura Rodriguez Murillo wrote:
Hi,
I'm new in the mailing list but I would appreciate if you could help
me with this:
I have a big matrix from where I need to delete specific rows. The
second entry on these rows to delete should match any string within a
list (other file with just one
Thank you. I think grep would do it, but the list of expressions I
need to match is too long so they are stored in a file. So the
question would be how I can tell R to look into that file to look for
the expressions that I want to match.
Thank you again for your help
Laura
2009/2/6 Wacek
Laura Rodriguez Murillo wrote:
Thank you. I think grep would do it, but the list of expressions I
need to match is too long so they are stored in a file.
what does 'too long' mean?
So the
question would be how I can tell R to look into that file to look for
the expressions that I want to
yep, it definitely sounds like a work for perl, but I don't know perl
(unfortunately). I'm still stuck with this so I'm giving more details
in case it helps:
I have file A with 382 columns and 30 rows. There are rows where
only the entry in first column is duplicated in other rows. In these
I regularly deal with a similar pattern at work. People send me these
big long .csv files and I have to run them through some pattern analysis
to decide which rows I keep and which rows I kill off.
As others have mentioned, Perl is a good candidate for this task.
Another option would be a quick
Hi Laura,
You might want to read the manual on Data importation and exportation on
the cran webpage http://cran.r-project.org/
Otherwise, have a look at ?read.table.
Sebastien
__
R-help@r-project.org mailing list
Thank you so much! I finally got it.
Laura
2009/2/6 Sebastien Bihorel sebastien.biho...@cognigencorp.com:
Hi Laura,
You might want to read the manual on Data importation and exportation on the
cran webpage http://cran.r-project.org/
Otherwise, have a look at ?read.table.
Sebastien
Andrew Choens wrote:
I regularly deal with a similar pattern at work. People send me these
big long .csv files and I have to run them through some pattern analysis
to decide which rows I keep and which rows I kill off.
As others have mentioned, Perl is a good candidate for this task.
Another
10 matches
Mail list logo
