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Gheno, Gloria (2015) The causal analysis in the log-linear model. [Preprint] (Inedito)

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Abstract (inglese)

In this paper I try to provide a causal theory which can be applied to the log-linear models because they are devoid of complete methods to calculate the different effects. My causal theory uses odds ratios and Pearl's definitions (2001, 2009, 2012). I find that although I delete the log-linear parameter which regulates the interaction, there is still an interaction effect, which I call cell effect and which is due to the mere presence of two variables which affect a third. I then try to calculate this effect using Pearl's formulas for the direct, indirect and total effects and I find that a part of this effect is contained in Pearl's direct natural effect, this part is that related to the nonlinearity. To conclude I provide a test to see if this effect is equal to 0.


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Tipo di EPrint:Preprint
Anno di Pubblicazione:2015
Parole chiave (italiano / inglese):additive interaction, causality, mediation, multiplicative interaction, loglinear model
Settori scientifico-disciplinari MIUR:Area 13 - Scienze economiche e statistiche > SECS-S/01 Statistica
Struttura di riferimento:Dipartimenti > Dipartimento di Scienze Statistiche
Codice ID:8081
Depositato il:17 Mar 2015 15:18
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