start r-study

2026-02-12 17:16:36 +09:00
commit 4fbeae0f00
21 changed files with 250 additions and 0 deletions
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+## 기초 명령어 실습 ##
+
+1+1
+1:10
+dd = c(1:10)
+
+## c()    -> 같은 종류의 요소(numeric, int, float등)만 있을때
+## list() -> 다양한 종류의 요소가 들어올때
+
+dd[-10]
+
+
+## 기본유형 ##
+
+x1 = 3                  # numeric
+x2 = "Love is choice"   # character
+x3 = FALSE              # logical
+x4 = 3-2i               # complex
+x5 = '123'              # character
+x6 = 'false'            # character
+x7 = 'FLASE'            # character
+
+str(x1)
+
+### 문자 - 정수 - 논리
+### 결측값은 95%까지
+
+### 정규분포는 30번이상한것으로 해야한다
+
+xx1 <- c(1:100)
+xx1
+is.na(xx1)
+table(is.na(xx1))
+
+x1 = c(1,'love',TRUE,2+3i)
+x1
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