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

from woodwork.column_schema import ColumnSchema
from woodwork.logical_types import BooleanNullable

from featuretools.primitives.base.transform_primitive_base import TransformPrimitive

[docs]class EqualScalar(TransformPrimitive): """Determines if values in a list are equal to a given scalar. Description: Given a list of values and a constant scalar, determine whether each of the values is equal to the scalar. Examples: >>> equal_scalar = EqualScalar(value=2) >>> equal_scalar([3, 1, 2]).tolist() [False, False, True] """ name = "equal_scalar" input_types = [ColumnSchema()] return_type = ColumnSchema(logical_type=BooleanNullable)
[docs] def __init__(self, value=None): self.value = value self.description_template = "whether {{}} equals {}".format(self.value)
def get_function(self): def equal_scalar(vals): return vals == self.value return equal_scalar def generate_name(self, base_feature_names): return "%s = %s" % (base_feature_names[0], str(self.value))