Dear All,
here an example
temp <- list(set1=c("a","b","d","x"), set2=c("b","c","q","m"),
set3=c("b","f","e","k","q","h"))
preserve only the first one string
>temp
set1 a b d x
set2 c q m
set3 f e k h
OR
remove repeated string
>temp
set1 a d x
set2 c m
set3 f e k h
Thanks
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