staircase.StairsSlicer.apply#
- StairsSlicer.apply(func, *args, **kwargs)#
Applies a method to each step function slice
- Parameters
- funccallable
Must be a function which takes a Stairs instance as first parameter
- args, kwargstuple and dict
Optional positional and keyword arguments to pass to func.
- Returns
Examples
>>> df = sc.make_test_data(seed=0) >>> sf = sc.Stairs(df, "start", "end", "value") >>> sf.plot()
>>> def step_count_above_threshold(s, n): ... return s.number_of_steps > n ... >>> cuts = pd.date_range("2021", periods=12, freq="MS") >>> sf.slice(cuts).apply(step_count_above_threshold, 120) [2021-01-01, 2021-02-01) True [2021-02-01, 2021-03-01) False [2021-03-01, 2021-04-01) False [2021-04-01, 2021-05-01) False [2021-05-01, 2021-06-01) True [2021-06-01, 2021-07-01) True [2021-07-01, 2021-08-01) False [2021-08-01, 2021-09-01) True [2021-09-01, 2021-10-01) False [2021-10-01, 2021-11-01) True [2021-11-01, 2021-12-01) True dtype: bool