statsmodels.genmod.families.family.Family¶

class statsmodels.genmod.families.family.Family(link, variance, check_link=True)[source]¶

The parent class for one-parameter exponential families.

Parameters:¶

linka link function instance

Link is the linear transformation function. See the individual families for available links.

variancea variance function

Measures the variance as a function of the mean probabilities. See the individual families for the default variance function.

check_linkbool

If True (default), then and exception is raised if the link is invalid for the family. If False, then the link is not checked.

Attributes:¶

link

Link function for family

See also

Link Functions

Further details on links.

Methods

deviance(endog, mu[, var_weights, ...])	The deviance function evaluated at (endog, mu, var_weights, freq_weights, scale) for the distribution.
fitted(lin_pred)	Fitted values based on linear predictors lin_pred.
loglike(endog, mu[, var_weights, ...])	The log-likelihood function in terms of the fitted mean response.
loglike_obs(endog, mu[, var_weights, scale])	The log-likelihood function for each observation in terms of the fitted mean response for the distribution.
predict(mu)	Linear predictors based on given mu values.
resid_anscombe(endog, mu[, var_weights, scale])	The Anscombe residuals
resid_dev(endog, mu[, var_weights, scale])	The deviance residuals
starting_mu(y)	Starting value for mu in the IRLS algorithm.
weights(mu)	Weights for IRLS steps

Properties

link	Link function for family
links
valid