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RobustNorm.psi()

statsmodels.robust.norms.RobustNorm.psi

RobustNorm.psi(z) [source]

Derivative of rho. Sometimes referred to as the influence function.

Abstract method:

psi = rho?

Links:

http://statsmodels.sourceforge.net/stable/generated/statsmodels.robust.norms.RobustNorm.psi.html

doc_statsmodels

2017-01-18 16:15:22

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