gvlma
(Package: gvlma) :
Create a Gvlma Object
Top-level function for Global Validation of Linear Models Assumptions.
● Data Source:
CranContrib
● Keywords: regression
● Alias: gvlma, gvlma.form, gvlma.lm
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summary.gvlma
(Package: gvlma) :
Print Basic Information for a Gvlma Object
Prints the basic information for a gvlma object, which is the output object from the function gvlma.
● Data Source:
CranContrib
● Keywords: print
● Alias: display.gvlmatests, print.gvlma, summary.gvlma
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update.gvlma
(Package: gvlma) :
Update a Gvlma Object
Update a gvlma object with changes to the linear model, the level of significance for global tests, or the time sequence used for the heteroscedasticity directional test.
● Data Source:
CranContrib
● Keywords: methods
● Alias: update.gvlma
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deletion.gvlma
(Package: gvlma) :
Deletion Statistics for a Linear Model
Computes the deletion statistics (leave-one-out) for assessing unusual observations in a linear model.
● Data Source:
CranContrib
● Keywords: regression
● Alias: deletion.gvlma
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computegvlma
(Package: gvlma) :
Internal Computations for Gvlma Objects
Given an lm object, this function computes the global and directional test statistics for assessing the linear model assumptions.
● Data Source:
CranContrib
● Keywords: internal
● Alias: computegvlma
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summary.gvlmaDel
(Package: gvlma) :
Basic Information for the Leave-One-Out Global and
Summarize the test statistic values and p-values for assessing unusual observations using the global and directional test statistics that were computed in a gvlmaDel object resulting from a call to deletion.gvlma.
● Data Source:
CranContrib
● Keywords: print
● Alias: print.gvlmaDel, summary.gvlmaDel
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plot.gvlmaDel
(Package: gvlma) :
Various Plots for a Gvlmadel Object
Plots to display the behavior of the deletion statistics stored in a gvlmaDel object.
● Data Source:
CranContrib
● Keywords: graphs
● Alias: plot.gvlmaDel
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Perform a single global test to assess the linear model assumptions, as well as perform specific directional tests designed to detect skewness, kurtosis, a nonlinear link function, and heteroscedasticity.
● Data Source:
CranContrib
● Keywords: htest
● Alias: gvlma-package
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plot.gvlma
(Package: gvlma) :
Various Plots for a Gvlma Object
Diagnostic plots for a single-response gvlma linear model.
● Data Source:
CranContrib
● Keywords: graphs
● Alias: plot.gvlma
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display.delstats
(Package: gvlma) :
Plot Deletion Statistics and Their P-Values
Creates a graph of the p-values associated with the deletion statistics versus the deletion statistics with unusual observations highlighted. This function is called by plot.gvlmaDel.
● Data Source:
CranContrib
● Keywords: graphs
● Alias: display.delstats
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