text_combined: birgitle birgitlemckesystbotuzhch many many thanks fast exactly looking b mark difford wrote hi birgitle variables dichotomous factors continuous numerical ordered factors confused use calculate correlation using variables could r professor foxs package polycor nice way regards mark birgitle wrote hello ruser appologise advance also go statistics presently puzzled dataframe 300 rows 80 variables variables dichotomous factors continuous numerical ordered factors would like calculate linear correlation every pair variables would like perform logistic regression glm without correlation variables thought could use continous numerical ordered factor spearman correlation using ranks thought also use contingency table dichotomous factors read also possible use pointbiserial correlation calculate correlation dichotomous continuous variables confused use calculate correlation using variables could r possible cor rcorr cormat rfunctions using one available correlationcoefficients would happy somebody could enlighten darkness many thanks advance b art living like wrestling dancing marcus aurelius view message context httpwwwnabblecomcorrelationdichotomousfactor2ccontinous28numerical29andorderedfactortp18852158p18852945html sent r help mailing list archive nabblecom ______________________________________________ rhelprprojectorg mailing list httpsstatethzchmailmanlistinforhelp please read posting guide httpwwwrprojectorgpostingguidehtml provide commented minimal selfcontained reproducible code wed 06 aug 2008 075316 0700 r correlation dichotomous factor continous numerical ordered factor