| Library: | |
| See also: | cumsum |
| Macro: | noise | |
| Description: | Counterpart to cumsum, difference x(t)-x(t-1) |
| Usage: | (noise)=noise(x) | |
| Input: | ||
| x input series (i.e Brownian Motion) | ||
| Output: | ||
| noise series of noise | ||
x=normal(4) x=cumsum(x) x=noise(x)
Contents of x [1,] 0.43221 [2,] -0.59753 [3,] -1.2764
| Library: | |
| See also: | cumsum |