Categorical Encoding.Orthogonal Polynomial Method
Returns an encoding where levels are encoded to reflect trends in the levels.
This encoding only makes sense for evenly spaced ordinal factors.
Definition
Namespace: Extreme.DataAnalysis
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23
C#
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23
public static CategoricalEncoding OrthogonalPolynomial(
IIndex categoryIndex
)
Parameters
- categoryIndex IIndex
- An index that specifies the levels.