OLSInfluence.dffits()
[source]
(cached attribute) dffits measure for influence of an observation
based on resid_studentized_external, uses results from leave-one-observation-out loop
It is recommended that observations with dffits large than a threshold of 2 sqrt{k / n} where k is the number of parameters, should be investigated.
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© 2006–2008 Scipy Developers
© 2006 Jonathan E. Taylor
Licensed under the 3-clause BSD License.
http://www.statsmodels.org/stable/generated/statsmodels.stats.outliers_influence.OLSInfluence.dffits.html