scikits.statsmodels.discretemod.Probit.score

Probit.score(params)

Probit model score (gradient) vector

Parameters :

params : array-like

The parameters of the model

Returns :

The score vector of the model evaluated at `params` :

Notes

System Message: WARNING/2 (\frac{\partial\ln L}{\partial\beta}=\sum_{i=1}^{n}\left[\frac{q_{i}\phi\left(q_{i}x_{i}^{\prime}\beta\right)}{\Phi\left(q_{i}x_{i}^{\prime}\beta\right)}\right]x_{i} )

latex exited with error: [stderr] [stdout] This is pdfTeXk, Version 3.1415926-1.40.9 (Web2C 7.5.7) %&-line parsing enabled. entering extended mode (./math.tex LaTeX2e <2005/12/01> Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh yphenation, loaded. (/usr/share/texmf-texlive/tex/latex/base/article.cls Document Class: article 2005/09/16 v1.4f Standard LaTeX document class (/usr/share/texmf-texlive/tex/latex/base/size12.clo)) (/usr/share/texmf-texlive/tex/latex/base/inputenc.sty ! LaTeX Error: File `utf8x.def’ not found. Type X to quit or <RETURN> to proceed, or enter new name. (Default extension: def) Enter file name: ! Emergency stop. <read *> l.128 \endinput ^^M No pages of output. Transcript written on math.log.

Where

System Message: WARNING/2 (q=2y-1)

latex exited with error: [stderr] [stdout] This is pdfTeXk, Version 3.1415926-1.40.9 (Web2C 7.5.7) %&-line parsing enabled. entering extended mode (./math.tex LaTeX2e <2005/12/01> Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh yphenation, loaded. (/usr/share/texmf-texlive/tex/latex/base/article.cls Document Class: article 2005/09/16 v1.4f Standard LaTeX document class (/usr/share/texmf-texlive/tex/latex/base/size12.clo)) (/usr/share/texmf-texlive/tex/latex/base/inputenc.sty ! LaTeX Error: File `utf8x.def’ not found. Type X to quit or <RETURN> to proceed, or enter new name. (Default extension: def) Enter file name: ! Emergency stop. <read *> l.128 \endinput ^^M No pages of output. Transcript written on math.log.
. This simplification comes from the fact that the normal distribution is symmetric.

Previous topic

scikits.statsmodels.discretemod.Probit.predict

Next topic

scikits.statsmodels.discretemod.MNLogit

This Page