Description Usage Arguments Details Value Author(s) References See Also Examples
Provides a score test for the location and scale parameters of the heteroscedastic t regression model.
1 |
... |
Any number of arguments containing nested model fits from |
data |
the data used to fit the models involved |
scale |
logical. If |
The user must supply nested models that test, either, the scale or the location component of the model. The model objects must be nested from left to right. Currently there are no traps if the arguments are not given in this order.
The models must also have either, all fixed degrees of freedom or estimated degrees of freedom.
Output containing the hypothesis, the score statistic, degrees of freedom for the test and the p-value are printed to the screen.
Julian Taylor
Taylor, J. D. & Verbyla, A. P (2004). Joint modelling of the location and scale parameters of the t-distribution. Statistical Modelling 4, 91-112.
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