My mistake. It should be println("$x"). "v" was a typo.On Thursday, December 18, 2014 1:15:49 PM UTC-5, Stefan Karpinski wrote: > > The variable seems to be named x not v? > > On Thu, Dec 18, 2014 at 12:55 PM, Min-Woong Sohn <[email protected] > <javascript:>> wrote: > >> vars = names(df) where df is a DataFrame object and vars is an array of >> Symbols. How do I change the elements in vars to lower case? When I did >> >> for x in vars >> println("$v") >> end >> >> it gives me an error. >> >> >> Thanks a bunch. >> > >
