Hi all,
Iam trying to change character to numeric but have probelm
mydata <- read.table(header=TRUE, text=', sep=" "
id sex
1 NA
2 NA
3 M
4 F
5 M
6 F
7 F
')
if sex is missing then sex=0;
if sex is"M" then sex=1;
if sex is"F" then sex=2;
Any help please ?
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