statsmodels.genmod.families.links.CDFLink class statsmodels.genmod.families.links.CDFLink(dbn=) [source] The use the CDF of a scipy.stats distribution CDFLink is a subclass of logit in order to use its _clean method for the link and its derivative. Parameters: dbn : scipy.stats distribution Default is dbn=scipy.stats.norm Notes The CDF link is untested. Methods deriv(p) Derivative of CDF link deriv2(p) Second derivative of the link function g??(p) inverse(z) The inverse of the CDF lin

statsmodels.genmod.families.links.CLogLog class statsmodels.genmod.families.links.CLogLog [source] The complementary log-log transform CLogLog inherits from Logit in order to have access to its _clean method for the link and its derivative. Notes CLogLog is untested. Methods deriv(p) Derivative of C-Log-Log transform link function deriv2(p) Second derivative of the link function g??(p) inverse(z) Inverse of C-Log-Log transform link function inverse_deriv(z) Derivative of the inverse of t

statsmodels.genmod.families.links.cauchy class statsmodels.genmod.families.links.cauchy [source] The Cauchy (standard Cauchy CDF) transform Notes g(p) = scipy.stats.cauchy.ppf(p) cauchy is an alias of CDFLink with dbn=scipy.stats.cauchy Methods deriv(p) Derivative of CDF link deriv2(p) Second derivative of the link function g??(p) inverse(z) The inverse of the CDF link inverse_deriv(z) Derivative of the inverse of the CDF transformation link function

statsmodels.genmod.families.family.Poisson class statsmodels.genmod.families.family.Poisson(link=) [source] Poisson exponential family. Parameters: link : a link instance, optional The default link for the Poisson family is the log link. Available links are log, identity, and sqrt. See statsmodels.family.links for more information. See also statsmodels.genmod.families.family.Family, Link Functions Attributes Poisson.link a link instance The link function of the Poisson instance. Poisso

statsmodels.genmod.families.family.NegativeBinomial class statsmodels.genmod.families.family.NegativeBinomial(link=, alpha=1.0) [source] Negative Binomial exponential family. Parameters: link : a link instance, optional The default link for the negative binomial family is the log link. Available links are log, cloglog, identity, nbinom and power. See statsmodels.family.links for more information. alpha : float, optional The ancillary parameter for the negative binomial distribution. For

statsmodels.genmod.families.family.InverseGaussian class statsmodels.genmod.families.family.InverseGaussian(link=) [source] InverseGaussian exponential family. Parameters: link : a link instance, optional The default link for the inverse Gaussian family is the inverse squared link. Available links are inverse_squared, inverse, log, and identity. See statsmodels.family.links for more information. See also statsmodels.genmod.families.family.Family, Link Functions Notes The inverse Guassi

statsmodels.genmod.families.family.Gaussian class statsmodels.genmod.families.family.Gaussian(link=) [source] Gaussian exponential family distribution. Parameters: link : a link instance, optional The default link for the Gaussian family is the identity link. Available links are log, identity, and inverse. See statsmodels.family.links for more information. See also statsmodels.genmod.families.family.Family, Link Functions Attributes Gaussian.link a link instance The link function of th

statsmodels.genmod.families.family.Gamma class statsmodels.genmod.families.family.Gamma(link=) [source] Gamma exponential family distribution. Parameters: link : a link instance, optional The default link for the Gamma family is the inverse link. Available links are log, identity, and inverse. See statsmodels.family.links for more information. See also statsmodels.genmod.families.family.Family, Link Functions Attributes Gamma.link a link instance The link function of the Gamma instance

statsmodels.genmod.families.family.Family class statsmodels.genmod.families.family.Family(link, variance) [source] The parent class for one-parameter exponential families. Parameters: link : a link function instance Link is the linear transformation function. See the individual families for available links. variance : a variance function Measures the variance as a function of the mean probabilities. See the individual families for the default variance function. See also Link Functions

statsmodels.genmod.families.family.Binomial class statsmodels.genmod.families.family.Binomial(link=) [source] Binomial exponential family distribution. Parameters: link : a link instance, optional The default link for the Binomial family is the logit link. Available links are logit, probit, cauchy, log, and cloglog. See statsmodels.family.links for more information. See also statsmodels.genmod.families.family.Family, Link Functions Notes endog for Binomial can be specified in one of th