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R 선형 회귀 범주 형 변수 "숨김"값
이것은 여러 번 나온 예제 일뿐이므로 샘플 데이터가 없습니다. R에서 선형 회귀 모델 실행 : a.lm = lm(Y ~ x1 + x2) x1연속 변수입니다. x2범주 형이며 "낮음", "중간"및 "높음"의 세 가지 값이 있습니다. 그러나 R이 제공하는 출력은 다음과 같습니다. summary(a.lm) Estimate Std. Error t value Pr(>|t|) (Intercept) 0.521 0.20 1.446 …
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