I have the following data: prefix <- c("cheap", "budget") roots <- c("car insurance", "auto insurance") suffix <- c("quote", "quotes")
prefix2 <- c("cheap", "budget") roots2 <- c("car insurance", "auto insurance") roots3 <- c("car insurance", "auto insurance") suffix3 <- c("quote", "quotes") df1 <- expand.grid(prefix, roots, suffix) df2 <- expand.grid(prefix2, roots2) df3 <- expand.grid(roots3, suffix3) df1; df2; df3 df1, df2, and df3 are seperate data structures with seperate columns for root, prefix, and suffix. Var1 Var2 Var3 1 cheap car insurance quote 2 budget car insurance quote 3 cheap auto insurance quote 4 budget auto insurance quote 5 cheap car insurance quotes 6 budget car insurance quotes 7 cheap auto insurance quotes 8 budget auto insurance quotes Var1 Var2 1 cheap car insurance 2 budget car insurance 3 cheap auto insurance 4 budget auto insurance Var1 Var2 1 car insurance quote 2 auto insurance quote 3 car insurance quotes 4 auto insurance quotes I want to merge df1, df2, and df3, into one data frame column which looks like. Var1 'cheap car insurance quote' 'budget car insurance quote' 'cheap auto insurance quote' 'budget auto insurance quote' 'cheap car insurance quotes' 'budget car insurance quotes' 'cheap auto insurance quotes' 'budget auto insurance quotes' 'cheap car insurance' 'budget car insurance' 'cheap auto insurance' 'budget auto insurance' 'car insurance quote' 'auto insurance quote' 'car insurance quotes' 'auto insurance quotes' Help! WebRep Overall rating [[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.