which.na returns an integer vector describing which values in the input vector, if any, are missing
a data object
integer vector containing indices of elements in x which are missing. If there are no missing values, the functions return an integer vector of length 0 ( numeric(0)).
Knut M. Wittkowski email@example.com
1 2 3
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.