f
by
For each row, find the largest value among the columns from cols.
cols
Expr
Input columns.
f-expression consisting of one column that has the same number of rows as in cols. The column stype is the smallest common stype for cols, but not less than int32.
int32
TypeError
The exception is raised when cols has non-numeric columns.
rowmin() – find the smallest element row-wise.
rowmin()