Dear All,

 

In R, is there a way (or a function) I can quickly check whether all the NA
values in one new created numerical variable happened are because of  &nbsp;
or something else in the original dataset? And how can we easily group these
NAs separately based on different  reason (e.g. some NA are because of
&nbsp; ,  some are because of there are extra text inside, etc).

 

Thanks heaps. 

 

Rene.


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