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.