/* * http://sosal.tistory.com/ * made by so_Sal */ 샘플데이터 랜덤 생성:> sample(1:5, size=5, replace=FALSE)[1] 1 5 3 2 4 > sample(1:5, size=5, replace=TRUE)[1] 5 2 3 5 2> for loop로 sample 데이터의 합 구하기: > num = sample(1:20, size=10, replace=TRUE)> num [1] 5 13 19 5 2 2 14 17 17 10 > for ( i in 1:10 )+ sum = sum+num[i]> sum[1] 204 함수 정의하기:> Mysum = function(x,y)+ {+ return(x+y)+ }> > Mysum(3,5)[1] 8