Choosing the Correct statistical test in SAS Stata SPSS and r關於「Ucla statistics Stata」標籤，搜尋引擎有相關的訊息討論：
Stata - OARC Stats - UCLAstats.oarc.ucla.edu › stataStata Programs for Data Analysis - OARC Stats - UCLAstats.oarc.ucla.edu › stata › ado › analysisStata Learning Modules (UCLA) - Map and Data Librarymdl.library.utoronto.ca › technology › tutorials › stata-lear...UCLA IDRE Stat