{"id":428,"date":"2016-11-29T01:15:59","date_gmt":"2016-11-29T01:15:59","guid":{"rendered":"https:\/\/scholarblogs.emory.edu\/582atextmining\/?p=428"},"modified":"2016-12-01T18:55:55","modified_gmt":"2016-12-01T18:55:55","slug":"rubicon-newspaper-corpus-visualizations","status":"publish","type":"post","link":"https:\/\/scholarblogs.emory.edu\/582atextmining\/2016\/11\/29\/rubicon-newspaper-corpus-visualizations\/","title":{"rendered":"Rubicon Newspaper Corpus Visualizations"},"content":{"rendered":"

Rubicon and Demographics Correlation Matrix<\/h4>\n

\"democorr\"<\/p>\n

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Terms that Correlate Strongly With “Rubicon”<\/h4>\n

\"correlation\"<\/p>\n

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##correlation Matrix code. Start from normalized document term matrix
\nLibrary(corrplot)
\nshort.list DTM.norm.mini.df #To get the correlation matrix
\ncor.matrix.mini round(cor.matrix.mini, 2) ## rounds off at 2 places
\ncorrplot(cor.matrix.mini, method=”shade”,shade.col=NA,tl.col=”black”,tl.srt=45,addCoef.col=”black”,order=”FPC”)#word associations start from DTM
\nLibrary(tm)
\nLibrary(ggplot2)
\nfindAssocs(DTM, “rubicon”, 0.57)
\n#build dataframe for plotting
\ntoi <- “rubicon” # term of interest
\ncorlimit rubiconterms Terms = names(findAssocs(DTM, toi, corlimit)[[1]]))
\nggplot(rubiconterms, aes( y = Terms)) +geom_point(aes(x = corr), data = rubiconterms, size=2) +xlab(paste0(“Correlation with the term “, “\\””, toi, “\\””))<\/div>\n

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\"timeline1\"<\/p>\n","protected":false},"excerpt":{"rendered":"

Rubicon and Demographics Correlation Matrix                 Terms that Correlate Strongly With “Rubicon”   ##correlation Matrix code. Start from normalized document term matrix Library(corrplot) short.list DTM.norm.mini.df #To get the correlation matrix cor.matrix.mini round(cor.matrix.mini, 2) ## rounds off at 2 places corrplot(cor.matrix.mini, method=”shade”,shade.col=NA,tl.col=”black”,tl.srt=45,addCoef.col=”black”,order=”FPC”)#word associations start from DTM Library(tm) Library(ggplot2) findAssocs(DTM, … Continue reading Rubicon Newspaper Corpus Visualizations<\/span><\/a><\/p>\n","protected":false},"author":3990,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-428","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/posts\/428","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/users\/3990"}],"replies":[{"embeddable":true,"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/comments?post=428"}],"version-history":[{"count":2,"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/posts\/428\/revisions"}],"predecessor-version":[{"id":477,"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/posts\/428\/revisions\/477"}],"wp:attachment":[{"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/media?parent=428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/categories?post=428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scholarblogs.emory.edu\/582atextmining\/wp-json\/wp\/v2\/tags?post=428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}