Hello,
consider the following data.frame df and vector v
df <- data.frame(group =
c("A","B","C","D"), value = c(1,2,3,4))
v <- c(2,3)
How can I return a sub data.frame which has only the rows left where value
matches v
df:
group value
B 2
C 3
Cheers
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> df[df$value %in% v,]group value 2 B 2 3 C 3 df is a function; you're better off not using that name for your dataframe. Sarah On Thu, Feb 23, 2012 at 10:48 AM, syrvn <mentor_ at gmx.net> wrote:> Hello, > > > consider the following data.frame df and vector v > > df <- data.frame(group = c("A","B","C","D"), value = c(1,2,3,4)) > v <- c(2,3) > > How can I return a sub data.frame which has only the rows left where value > matches v > > df: > > group value > B 2 > C 3 > > > Cheers > > ---- Sarah Goslee http://www.functionaldiversity.org
df[value %in% v, ] Michael On Thu, Feb 23, 2012 at 10:48 AM, syrvn <mentor_ at gmx.net> wrote:> Hello, > > > consider the following data.frame df and vector v > > df <- data.frame(group = c("A","B","C","D"), value = c(1,2,3,4)) > v <- c(2,3) > > How can I return a sub data.frame which has only the rows left where value > matches v > > df: > > group value > B 2 > C 3 > > > Cheers > > -- > View this message in context: http://r.789695.n4.nabble.com/extract-subset-of-data-frame-tp4414251p4414251.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help at 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.