Source code for featuretools.primitives.standard.transform.datetime.hour

from woodwork.column_schema import ColumnSchema
from woodwork.logical_types import Datetime, Ordinal

from featuretools.primitives.base import TransformPrimitive
from featuretools.utils.gen_utils import Library


[docs]class Hour(TransformPrimitive): """Determines the hour value of a datetime. Examples: >>> from datetime import datetime >>> dates = [datetime(2019, 3, 1), ... datetime(2019, 3, 3, 11, 10, 50), ... datetime(2019, 3, 31, 19, 45, 15)] >>> hour = Hour() >>> hour(dates).tolist() [0, 11, 19] """ name = "hour" input_types = [ColumnSchema(logical_type=Datetime)] return_type = ColumnSchema( logical_type=Ordinal(order=list(range(24))), semantic_tags={"category"}, ) compatibility = [Library.PANDAS, Library.DASK, Library.SPARK] description_template = "the hour value of {}" def get_function(self): def hour(vals): return vals.dt.hour return hour