On Mon, 16 Dec 2019 13:24:36 +0000 Bill Poling <bill.pol...@zelis.com> wrote:
> Using the nchar function (I converted the Factor to a character > column first) I get the first 1K values. <...> > 1. Identify the number (Count) of values that are less than 5 char > (i.e. 2 char = 150, 3 char = 925, 4 char = 1002) Use the table() function to get frequency counts for discrete-valued data (like nchar()). > 2. Replace with 99999 as well as replace the NA's with 99999 An expression like `nchar(x) < 5` returns a boolean vector with TRUE where the condition is, well, true, and FALSE otherwise. Use this vector together with the subset operator (square brackets []) and assignment operator (<-) to perform a subassignment of "99999" to the elements of your dataset where the condition is true: https://cran.r-project.org/doc/manuals/r-release/R-intro.html#Index-vectors See also: ?`[` and ?table -- Best regards, Ivan ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
