featuretools.primitives.NUniqueWeeks

class featuretools.primitives.NUniqueWeeks

Determines the number of unique weeks.

Description:

Given a list of datetimes, return the number of unique weeks (Monday-Sunday). NUniqueWeeks counts by absolute week, not week of year, so the first week of 2018 and the first week of 2019 count as two unique values.

Examples

>>> from datetime import datetime
>>> n_unique_weeks = NUniqueWeeks()
>>> times = [datetime(2018, 2, 2),
...          datetime(2019, 1, 1),
...          datetime(2019, 2, 1),
...          datetime(2019, 2, 1),
...          datetime(2019, 2, 3),
...          datetime(2019, 2, 21)]
>>> n_unique_weeks(times)
4

__init__()

Methods

__init__()
flatten_nested_input_types(input_types)	Flattens nested column schema inputs into a single list.
generate_name(base_feature_names, ...)
generate_names(base_feature_names, ...)
get_args_string()
get_arguments()
get_description(input_column_descriptions[, ...])
get_filepath(filename)
get_function()

Attributes

base_of
base_of_exclude
commutative
default_value	Default value this feature returns if no data found.
description_template
input_types	woodwork.ColumnSchema types of inputs
max_stack_depth
name	Name of the primitive
number_output_features	Number of columns in feature matrix associated with this feature
return_type	ColumnSchema type of return
stack_on
stack_on_exclude
stack_on_self
uses_calc_time