The study of (in)dependence relationships among a set of categorical variables collected in a contingency table is an amply topic. In this work we want to focus on the so called context-specic independence where the conditional independence holds only in a subspace of the outcome space. The main aspects that we introduce concern the denition in the same model of marginal, conditional and context-specic independencies, through the marginal models. Furthermore, we investigate how it is possible to test these context-specic independencies when there are ordinal variables. Finally, we propose a graphical representation of all the considered independencies taking advantages from the chain graph model. We show the results on an application on "The Italian Innovation Survey" of Istat (2012).
Nicolussi, F., & Cazzaro, M. (2017). Context-specific Independence in Technology study. In Proceedings of the 17th ASMDA international conference. ISAST.
Citazione: | Nicolussi, F., & Cazzaro, M. (2017). Context-specific Independence in Technology study. In Proceedings of the 17th ASMDA international conference. ISAST. | |
Titolo: | Context-specific Independence in Technology study | |
Autori: | Nicolussi, F; Cazzaro, M | |
Autori: | ||
Presenza di un coautore afferente ad Istituzioni straniere: | No | |
Tipo: | Capitolo o saggio | |
Carattere della pubblicazione: | Scientifica | |
Data di pubblicazione: | 2017 | |
Lingua: | English | |
Titolo del libro: | Proceedings of the 17th ASMDA international conference | |
ISBN: | 978-618-5180-22-5 | |
Appare nelle tipologie: | 03 - Contributo in libro |