Try: data[,variable]
On Thu, Jun 25, 2009 at 6:44 AM, Anne Skoeries <h...@anne-skoeries.de>wrote: > Hello, > > how can I get a variable driven summary of one column of my data.frame? > > Usually I would do > > summary(data$columnname) to get a summary of column named "columnname" of > my data.frame named "data". > > In my case the columnname is not static but can be set dynamically. > So I save the chosen columname in something like > variable <- "columnname" > but how can I now get the summary of the specified column? > > summary(data$get("variable")) doesn't work. > summary(paste("data$", variable, sep="") doesn't work either! > and if I try > summary(data[get("variable)] it gives me back a different result since the > data isn't a factor anymore but a list. > > Thanks for the help, > Anne > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ 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.