Library: | xplore |
See also: | tdiff |
Quantlet: | diff | |
Description: | Computes first differences (along the rows) of an array. |
Usage: | dx = diff(x) | |
Input: | ||
x | array, d1 x d2 x ... x dn | |
Output: | ||
dx | array, (d1-1) x d2 x ... x dn, first differences along the rows of x. |
library("xplore") randomize (0) x = (1:4)|6 diff(x)
Contents of object y [1,] 0 [2,] 0 [3,] 0 [4,] 0 [5,] 1
Library: | xplore |
See also: | tdiff |