Can we merge 2 files with non unique values in R, example. postal code that are repeated more than once in one file a and once in the other file b
merge(a,b,by="Postal", all.b=TRUE)
Can we merge 2 files with non unique values in R, example. postal code that are repeated more than once in one file a and once in the other file b
merge(a,b,by="Postal", all.b=TRUE)