carrutstick

Benchmarks should be grouped by operation

3

The point of the benchmarks is to compare different numerical libraries, so they should be formatted in a way that allows a user to see how long common operations take...

`build._eval_factor` error condition attempts to access attribute `dtype` on `DataFrame` object, but no such attribute exists

2

In `_eval_factor` we have: ```python # Returns either a 2d ndarray, or a DataFrame, plus is_NA mask if factor_info.type == "numerical": result = atleast_2d_column_default(result, preserve_pandas=True) ``` followed by ```python if...