R Programming/Index

This page provides tables which make it easy to find functions for usual tasks in statistics in R, SAS and Stata. Other software may also be included in the future such as SPSS. Data management Function R Stata SAS Merge merge() merge / mmerge - Reshape reshape() reshape - Expand a dataset expand() (epicalc) expand - Descriptive Statistics Function R Stata SAS Mean mean() mean proc means Histogram hist() hist - Frequency table table() ta proc freq Regression models Function R Stata SAS Least Square lm() reg proc reg GLM glm() glm proc glm Probit models glm(, family = binomial(link="probit")) probit - Logit models glm(, family = binomial(link="logit")) logit - Linear fixed effects model plm( , model = "within") (plm) xtreg , fe - Linear random effects model plm( , model = "random") (plm) xtreg , re - Linear quantile regression rq() (quantreg) qreg - Ordinal logistic regression polr() (MASS) ologit - Linear IV (2sls) ivreg() (AER) ivreg proc syslin (2sls) - Programming Function R Stata SAS Check some condition stopifnot() assert -