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정규성 검증 Shapiro.test

정규성 검증 Shapiro.test. No. Yes. 대조군이 2 개일 때. 대조군이 3 개 이상일 때. 등분산성 검정. F 분석 ( Var.test ). 각 집단이 정규분포를 따르는가 ?. No. Yes. Yes. No. No. No. Bartlett test. Levene test. Yes. Yes. Require(graphics) Bartlett.test (Y~X, data= oo ). Library( lawstat ) levene.test (Y~X, data= oo ).

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정규성 검증 Shapiro.test

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  1. 정규성 검증 Shapiro.test No Yes 대조군이2개일 때 대조군이3개 이상일 때 등분산성 검정 F 분석 (Var.test) 각 집단이 정규분포를 따르는가? No Yes Yes No No No Bartlett test Levene test Yes Yes Require(graphics) Bartlett.test(Y~X, data=oo) Library(lawstat) levene.test(Y~X, data=oo) Kruskal-Wallis Test (비모수) 분산 분석 Dunnett test Tukey test Library(multcomp) Dunnett = glht(out,linfct=mcp(독립변수명= “Dunnett”)) ※ 독립변수는 반드시 문자형이여야 한다 (factor 함수 이용) 각 치료군을 대조군 하고만 비교할 때 모든 대조군을 비교할 때

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