> a <- data.frame(name=c(rep("a",5), rep("b",5)), year=c(1989:1993, 1989:1993), > var=c(1:10)) > str(a) > b <- pdata.frame(a, index=c("name","year")) > str(b) Now, I want to convert b into a data frame and have a structure similar to a. How do I do that? -- Apoorva Gupta Consultant National Institute of Public Finance and Policy
______________________________________________ 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.