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Hi, Suppose I have the following data frame: V1 V2 V3 var 1 100 200 400 2.3 2 40.5 1.2 20.3 ... In this example the maximum V column is 3. In my code there the column number can be varied. My question is how can I access data frame from column V1 up to Vk (some "k" and excluding'var' column)? - Gundala Viswanath Jakarta - Indonesia

Dear R community, I am a beginner to R and have a question concerning mget, about I could not find anything in the various documentation. I have a column in a dataframe x for which I want to get values in y: mget(x[,1], env=y, ifnotfound=NA) I receive an error mesage: Error in mget(x[, 1], env = y, ifnotfound = NA) : attempt to use zero-length variable name this is probably due to

Commit-ID: eb90545092a27ae45567f072c1a5912ee41e75ad Gitweb: http://git.kernel.org/?p=libs/klibc/klibc.git;a=commit;h=eb90545092a27ae45567f072c1a5912ee41e75ad Author: Herbert Xu <herbert at gondor.apana.org.au> AuthorDate: Thu, 7 Jul 2011 13:58:48 +0800 Committer: Ben Hutchings <ben at decadent.org.uk> CommitDate: Fri, 25 Jan 2019 02:57:21 +0000 [klibc] [SHELL] Optimize dash

Commit-ID: a99e81cedacbfaed18e580455969667f2320de5e Gitweb: http://git.kernel.org/?p=libs/klibc/klibc.git;a=commit;h=a99e81cedacbfaed18e580455969667f2320de5e Author: Herbert Xu <herbert at gondor.apana.org.au> AuthorDate: Thu, 7 Jul 2011 13:58:48 +0800 Committer: Ben Hutchings <ben at decadent.org.uk> CommitDate: Sat, 28 Mar 2020 21:10:37 +0000 [klibc] dash: [SHELL] Optimize