statsmodels.miscmodels.tmodel.TLinearModel.nloglikeobs
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TLinearModel.nloglikeobs(params)
[source] -
Loglikelihood of linear model with t distributed errors.
Parameters: params : array
The parameters of the model. The last 2 parameters are degrees of freedom and scale.
Returns: loglike : array, (nobs,)
The log likelihood of the model evaluated at
params
for each observation defined by self.endog and self.exog.Notes
The t distribution is the standard t distribution and not a standardized t distribution, which means that the scale parameter is not equal to the standard deviation.
self.fixed_params and self.expandparams can be used to fix some parameters. (I doubt this has been tested in this model.)
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