Source code for featuretools.primitives.standard.transform.binary.divide_by_feature

from woodwork.column_schema import ColumnSchema

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


[docs]class DivideByFeature(TransformPrimitive): """Divides a scalar by each value in the list. Description: Given a list of numeric values and a scalar, divide the scalar by each value and return the list of quotients. Examples: >>> divide_by_feature = DivideByFeature(value=2) >>> divide_by_feature([4, 1, 2]).tolist() [0.5, 2.0, 1.0] """ name = "divide_by_feature" input_types = [ColumnSchema(semantic_tags={"numeric"})] return_type = ColumnSchema(semantic_tags={"numeric"}) compatibility = [Library.PANDAS, Library.DASK, Library.SPARK]
[docs] def __init__(self, value=1): self.value = value self.description_template = "the result of {} divided by {{}}".format( self.value, )
def get_function(self): def divide_by_feature(vals): return self.value / vals return divide_by_feature def generate_name(self, base_feature_names): return "%s / %s" % (str(self.value), base_feature_names[0])