ThisbookpreparesreaderstoanalyzedataandinterpretstatisticalresultsusingRmorequicklythanothertexts.Risachallengingprogramtolearnbecausecodemustbecreatedtogetstarted.Toalleviatethatchallenge,ProfessorGerbingdevelopedlessR.LessRextensionsremovetheneedtopro