Check whether attribute name in city is unique (i.e. each city has a different name). data_frame is city with a column called name.
length(unique(city$name))
rapply(city,function(name)length(unique(name)))
unique(city$name)
$\begingroup$
$\endgroup$
Add a comment
|
1 Answer
$\begingroup$
$\endgroup$
1
multiple options are available in R.Apart from your mentioned function.
dplyr
duplicated
-
$\begingroup$ Ok, so when someone on this site is looking for the same answer they can go to this question. $\endgroup$ Dec 6, 2018 at 13:00