On Apr 4, 2012, at 4:54 PM, Sam Steingold wrote:
* Sam Steingold <f...@tah.bet> [2012-04-04 14:58:15 -0400]:
1. the strings I replaced with ZZZZ and YYYY are very long; I wish I
could replace them in the object all, not just in text
i.e., I have a long list with elements with long names.
how do I replace all these long names with something shorter?
row.names(list) <- ...
does not do the trick.
Lists do not have rownames. They have names.
You _really_ should learn to post code that creates meaningful test
cases. If, for example, you want to ask a question about a list to
which you desire replacing names, then post:
testlis <- list(`ZZZZZZZZZZZ/2030` = "VECTOR/188",
`ZZZZZZZZZZZ/2031` = "VECTOR/187",
`ZZZZZZZZZZZ/2033` = "VECTOR/186",
`ZZZZZZZZZZZ/2037` = "VECTOR/185")
To which the respondent has only to copy that to a console to test the
fairly simple solution :
> names(testlis) <- sub("^Z+", "Z", names(testlis))
> testlis
$`Z/2030`
[1] "VECTOR/188"
$`Z/2031`
[1] "VECTOR/187"
$`Z/2033`
[1] "VECTOR/186"
$`Z/2037`
[1] "VECTOR/185"
A quick way to construct possibly minimal examples from existing
objects is to post the results of dput(head(listname))
--
David.
lapply(all.v,names)[97:103]
$
$`ZZZZZZZZZZZ/2031`
[1] "VECTOR/187"
$`ZZZZZZZZZZZ/2032`
[1] "VECTOR/186"
$`ZZZZZZZZZZZ/2033`
[1] "VECTOR/185"
$`ZZZZZZZZZZZ/2034`
[1] "VECTOR/183"
[2] "VECTOR/184"
$`ZZZZZZZZZZZ/2035`
[1] "VECTOR/182"
$`ZZZZZZZZZZZ/2036`
[1] "VECTOR/181"
for that I will need 2 lines in the resulting data frame.
how do I do that?
done by a judicious use of rep.
--
Sam Steingold (http://sds.podval.org/) on Ubuntu 11.10 (oneiric) X
11.0.11004000
http://www.childpsy.net/ http://iris.org.il
http://thereligionofpeace.com http://mideasttruth.com http://ffii.org
Those who can laugh at themselves will never cease to be amused.
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
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
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
