총 327페이지

위험평가 기법 소개··················································i
제1장 R & R-Studio············································1
1. R 설치··············································································3
1.1. R 기초························································································3
1.2. R 사용준비·················································································4
1.3. R 설치························································································4
2. R 업그레이드 방법···························································8
2.1. R 업그레이드(업데이트) 필요한가? ·········································8
2.2. R-studio를 사용하더라도 R 업그레이드는 R에서 한다 ·······8
3. 데이터 개념····································································10
3.1 개념 ··························································································10
3.2 변수의 종류 ·············································································10
4. 데이터 입력 ··································································16
4.1 데이터 타입 ·············································································16
4.2 데이터 입력 ·············································································20
4.3 데이터 속성 ·············································································21
5. 데이터 분석 기초 통계··················································25
5.1 개요 ··························································································25
5.2 범주형 변수 categorical, non-metric, qualitative ···········25
5.3. 측정형 변수 metric, quantitative ······································30
6. 데이터 불러오기·····························································36
6.1. txt 데이터 : read.table() 함수··············································36
6.2. CSV 포멧 : 가장 선호되는 데이터 포멧 read.csv()············36
6.3. xls 데이터················································································37
6.4. SAS data·················································································37
6.5. built in 데이터 사용하기 ······················································37
v

현재 포커스의 아래내용들은 동일한 컨텐츠를 가지고 페이지넘김 효과및 시각적 효과를 제공하는 페이지이므로 스크린리더 사용자는 여기까지만 낭독하시고 위의 페이지이동 링크를 사용하여 다음페이지로 이동하시기 바랍니다.