R dist()

1 개요

R dist()

"Distance Matrix Computation"

x <- matrix(rnorm(20), nrow=4)
x
##            [,1]        [,2]       [,3]       [,4]       [,5]
## [1,]  1.3709584  0.40426832  2.0184237 -1.3888607 -0.2842529
## [2,] -0.5646982 -0.10612452 -0.0627141 -0.2787888 -2.6564554
## [3,]  0.3631284  1.51152200  1.3048697 -0.1333213 -2.4404669
## [4,]  0.6328626 -0.09465904  2.2866454  0.6359504  1.3201133
dist(x)
##          1        2        3
## 2 3.898462                  
## 3 2.996086 2.327174         
## 4 2.745816 4.858356 4.283713
dist(x, diag = TRUE)
##          1        2        3        4
## 1 0.000000                           
## 2 3.898462 0.000000                  
## 3 2.996086 2.327174 0.000000         
## 4 2.745816 4.858356 4.283713 0.000000
dist(x, upper = TRUE)
##          1        2        3        4
## 1          3.898462 2.996086 2.745816
## 2 3.898462          2.327174 4.858356
## 3 2.996086 2.327174          4.283713
## 4 2.745816 4.858356 4.283713

2 같이 보기

3 참고

https://www.rdocumentation.org/packages/stats/versions/3.6.0/topics/dist