Extract
I would split dat$string into it's own vector, break it apart at the spaces into an array, and then place dat$year and dat$sex in positions 1 and 2 of that newly created array.
On Fri, Jul 19, 2024, 12:52?PM Val <valkremk at gmail.com> wrote:
Hi All, I want to extract new variables from a string and add it to the dataframe. Sample data is csv file. dat<-read.csv(text="Year, Sex,string 2002,F,15 xc Ab 2003,F,14 2004,M,18 xb 25 35 21 2005,M,13 25 2006,M,14 ac 256 AV 35 2007,F,11",header=TRUE) The string column has a maximum of five variables. Some rows have all and others may not have all the five variables. If missing then fill it with NA, Desired result is shown below, Year,Sex,string, S1, S2, S3 S4,S5 2002,F,15 xc Ab, 15,xc,Ab, NA, NA 2003,F,14, 14,NA,NA,NA,NA 2004,M,18 xb 25 35 21,18, xb, 25, 35, 21 2005,M,13 25,13, 25,NA,NA,NA 2006,M,14 ac 256 AV 35, 14, ac, 256, AV, 35 2007,F,11, 11,NA,NA,NA,NA Any help? Thank you in advance.
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