We present the package RcmdrPlugin.temis, a graphical user interface for user-friendly text mining in R. Built as a plug-in to the R Commander provided by the Rcmdr package, it brings together several existing packages and provides new features streamlining the process of importing, managing and analyzing a corpus, in addition to saving results and plots to a report file. Beyond common file formats, automated import of corpora from the Dow Jones Factiva content provider and Twitter is supported. Featured analyses include vocabulary and dissimilarity tables, terms frequencies, terms specific of levels of a variable, term co-occurrences, time series, correspondence analysis and hierarchical clustering.
Notwithstanding a large body of literature on log-linear models and odds ratios, no general marginal-free index of the association in a contingency table has gained a wide acceptance. Building on a framework developed by L. A. Goodman, we put into light the direct links between odds ratios, the Altham index, the intrinsic association coefficient, and coefficients in log-multiplicative models including Unidiff and row-column association models. We devise a normalized version of the latter coefficient varying between 0 and 1, which offers a simpler interpretation than existing indices similar to the correlation coefficient. We illustrate with the case of educational and socioeconomic homogamy among 149 European regions how this index can be used either alone in a non- or semiparametric approach or combined with models, and how it can protect against incorrect conclusions based on models which rely on strong assumptions to summarize the strength of association as a single parameter.
L’hypergamie féminine, définie comme la propension des individus à former des couples au sein desquels la femme se trouve en infériorité par rapport à l’homme, est un phénomène largement observé. Cet article analyse la formation des premières unions à l’aide de l’enquête Étude de l’histoire familiale 1999. Les couples dans lesquels la femme est plus diplômée que son conjoint sont plus fréquents que le cas inverse en France depuis les cohortes nées à la fin des années 1950. Ce mouvement est principalement dû à l’allongement de la scolarité des femmes qui sont désormais plus diplômées que les hommes, mais va au-delà de ce qu’imposait l’évolution de la structure de la population (hypergamie relative), traduisant une modification des préférences des individus. Enfin, nous observons que le célibat définitif des femmes n’augmente plus avec leur diplôme, alors que les plus diplômées nées avant-guerre étaient fortement désavantagées sur le marché conjugal. À l’inverse, le célibat définitif des hommes non diplômés s’est accentué, signe de l’effet négatif persistant des difficultés d’insertion professionnelle sur la conjugalité masculine. Ces résultats indiquent un net recul de la norme d’hypergamie féminine en termes de diplôme – dont la portée demeure cependant incertaine.
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