> plotx <- "someName" > modx <- "otherName" > data.frame( structure(list(c(1, 2, 3, 4)), names=plotx), structure(list(c(4, > 4, 4, 4)), names=modx)) someName otherName 1 1 4 2 2 4 3 3 4 4 4 4
(I think this is more of an R-help question.) Bill Dunlap Spotfire, TIBCO Software wdunlap tibco.com > -----Original Message----- > From: r-devel-boun...@r-project.org [mailto:r-devel-boun...@r-project.org] On > Behalf Of Paul Johnson > Sent: Friday, November 11, 2011 7:25 AM > To: R Devel List > Subject: [Rd] One step way to create data frame with variable "variable > names"? > > Suppose > > plotx <- "someName" > modx <- "otherName" > plotxRange <- c(10,20) > modxVals <- c(1,2,3) > > It often happens I want to create a dataframe or object with plotx or > modx as the variable names. But can't understand syntax to do that. > > I can get this done in 2 steps, creating the data frame and then > assigning names, as in > > newdf <- data.frame( c(1, 2, 3, 4), c(4, 4, 4, 4)) > colnames(newdf) <- c(plotx, modx) > > I was trying to hit this in one step, but can't find how. If I could > get this in one step, it would simplify some book keeping, because > this current method requires me to build up the name vector to match > newdf, and sometimes I make mistakes. > > After the data.frame already exists, I understand I can insert new > variables using the variable names with syntax like > > newdf[[plotx]] <- c(23, 23, 23, 23) > > PJ > > -- > Paul E. Johnson > Professor, Political Science > 1541 Lilac Lane, Room 504 > University of Kansas > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
