statsmodels.discrete.discrete_model.Logit.pdf
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Logit.pdf(X)
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The logistic probability density function
Parameters: X (array-like) – X
is the linear predictor of the logit model. See notes.Returns: pdf – The value of the Logit probability mass function, PMF, for each point of X. np.exp(-x)/(1+np.exp(-X))**2
Return type: ndarray Notes
In the logit model,
\[\lambda\left(x^{\prime}\beta\right)=\frac{e^{-x^{\prime}\beta}}{\left(1+e^{-x^{\prime}\beta}\right)^{2}}\]
© 2009–2012 Statsmodels Developers
© 2006–2008 Scipy Developers
© 2006 Jonathan E. Taylor
Licensed under the 3-clause BSD License.
http://www.statsmodels.org/stable/generated/statsmodels.discrete.discrete_model.Logit.pdf.html