start r-study

.Rhistory

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+install.packages(c("mgcv", "survival"))
+a <- 7
+cls
+## 기초 명령어 실습 ##
+## 기초 명령어 실습 ##
+1+1
+1:10
+dd = c(1:10)
+dd
+dd [2:3,]
+dd [c(2:3),]
+dd [2:3]
+dd[2:3]
+dd[1:9]
+dd[-1]
+dd[-10]
+dd[-10]
+detach("package:base", unload = TRUE)
+install.packages("foreign")
+x1 = 3
+x2 = "Love is choice"
+x3 = FALSE
+x4 = 3-2i
+str(x1)
+str(x2)
+str(x3)
+str(x4)
+str(x1,x2,x3,x4)
+4
+str(x4)
+str(x5)
+str(x5)
+x5 = '123'
+str(x5)
+str(x1)
+str(x3)
+str(x7)
+x7 = 'FLASE'
+str(x7)
+x6 = 'false'            # character
+str(x7)
+x8 = 8.8
+x8 = 8.8
+str(x8)
+xx1 <- c(1:100)
+xx1
+xx1 <- c(1:100)
+xx1
+is.na()
+is.na(xx1)
+table(is.na(xx1))
+x1 = c(1,'love',TRUE,2+3i)
+x1
+install.packages('ggplot2')
+install.packages('dplyr')

.Rproj.user/F3FE0F57/pcs/files-pane.pper

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+{
+    "sortOrder": [
+        {
+            "columnIndex": 2,
+            "ascending": true
+        }
+    ],
+    "path": "~/R project/r_study"
+}

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+}

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.Rproj.user/F3FE0F57/rmd-outputs

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+
+
+
+
+

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.Rproj.user/F3FE0F57/sources/per/t/FEFD8679

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+{
+    "id": "FEFD8679",
+    "path": "~/R project/r_study/기초 명령어 실습.R",
+    "project_path": "기초 명령어 실습.R",
+    "type": "r_source",
+    "hash": "3966952176",
+    "contents": "",
+    "dirty": false,
+    "created": 1769651679182.0,
+    "source_on_save": false,
+    "relative_order": 2,
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+        "Source": "Source",
+        "cursorPosition": "15,35",
+        "scrollLine": "0"
+    },
+    "folds": "",
+    "lastKnownWriteTime": 1770187041,
+    "encoding": "UTF-8",
+    "collab_server": "",
+    "source_window": "",
+    "last_content_update": 1770187041612,
+    "read_only": false,
+    "read_only_alternatives": []
+}

.Rproj.user/F3FE0F57/sources/per/t/FEFD8679-contents

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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

.Rproj.user/F3FE0F57/sources/prop/01128302

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.Rproj.user/F3FE0F57/sources/prop/INDEX

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+~%2FR%20project%2Fr_study%2F%EA%B8%B0%EC%B4%88%20%EB%AA%85%EB%A0%B9%EC%96%B4%20%EC%8B%A4%EC%8A%B5.R="0CB164D0"
+~%2FR%20project%2Fr_study%2Fadvance.R="11E47905"
+~%2FR%20project%2Fr_study%2Fbasic.R="B0F755B1"

.Rproj.user/shared/notebooks/paths

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+/Users/dh/R project/r_study/basic.R="38F7B9A1"
+/Users/dh/R project/r_study/기초 명령어 실습.R="CF8199EA"

basic.R

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+a <- 7

r_study.Rproj

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+Version: 1.0
+
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+SaveWorkspace: Default
+AlwaysSaveHistory: Default
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기초 명령어 실습.R

@@ -0,0 +1,36 @@
+## 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