utils

Utility functions for the Marketing Mix Modeling module.

Functions

apply_sklearn_transformer_across_dim(data, ...)	Apply a scikit-learn transformer across a dimension of an xarray DataArray.
compute_sigmoid_second_derivative(x, alpha, lam)	Compute the second derivative of the extended sigmoid function.
create_new_spend_data(spend, ...[, ...])	Create new spend data for the channel forward pass.
drop_scalar_coords(curve)	Remove scalar coordinates from an xarray DataArray.
estimate_menten_parameters(channel, ...)	Estimate the parameters for the Michaelis-Menten function using curve fitting.
estimate_sigmoid_parameters(channel, ...)	Estimate the parameters for the sigmoid function using curve fitting.
find_sigmoid_inflection_point(alpha, lam)	Find the inflection point of the extended sigmoid function.
sigmoid_saturation(x, alpha, lam)	Sigmoid saturation function.
transform_1d_array(transform, y)	Transform a 1D array using a scikit-learn transformer.