Netvouz / aleph / tag / double-braces http://netvouz.com/aleph/tag/double-braces?feed=rss aleph's bookmarks tagged "double-braces" on Netvouz data.frame http://stackoverflow.com/questions/19730806/r-access-data-frame-column-using-variable R - access data frame column using variable - Stack Overflow tech > problems aleph Mon, 29 Jun 2015 07:49:05 GMT r - Boxplot - accessing column names with variables - Stack Overflow http://stackoverflow.com/questions/7918855/boxplot-accessing-column-names-with-variables tmp1 <- 'Sepal.Width' tmp2 <- 'Species' boxplot( iris[[tmp1]] ~ iris[[tmp2]] ) tech > problems aleph Mon, 29 Jun 2015 07:48:23 GMT