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Regressionsanalyse mit SPSS, 2nd Edition
book

Regressionsanalyse mit SPSS, 2nd Edition

by Christian FG Schendera
August 2014
Intermediate to advanced
484 pages
14h 40m
German
De Gruyter Oldenbourg
Content preview from Regressionsanalyse mit SPSS, 2nd Edition

Man kann eine Vorstellung von McFadden’s R2 Skala bekommen, wenn man sich ein Binomialmodell mit einem konstanten Term und einem Steigungskoeffizienten vorstellt und Beobachtungen, die gleichmäßig (0.5) zwischen den Alternativen teilen. Falls die MLE Schätzer die beobachteten Alternativen mit den Wahrscheinlichkeiten 0.8, 0.9, oder 0.95 vorhersagen, dann sind die entsprechenden Werte von McFadden’s R2 0.28, 0.53 und 0.71. Falls die Beobachtungen aber 0.7 zu 0.3 teilen, dann ergeben nun dieselben Vorhersagewahrscheinlichkeiten (0.8, 0.9, oder 0.95) die McFadden’s R2-Werte 0.18, 0.47 und 0.68.

 

Exkursende

 

 

McFadden’s Maß gilt im Allgemeinen als geeigneter für den Vergleich von Modellen (Details siehe oben); ansonsten wäre dieser Parameter ...

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Publisher Resources

ISBN: 9783110359855