datatable.rowlast()

For each row, find the last non-missing value in cols. If all values in a row are missing, then this function will also produce a missing value.

Parameters

cols
Expr

Input columns.

return
Expr

f-expression consisting of one column and the same number of rows as in cols.

except
TypeError

The exception is raised when input columns have incompatible types.

See Also

  • rowfirst() – find the first non-missing value row-wise.