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.