Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Illustration of a permutation for a K = 2 group case
| (a) Original Data | ||||||
| Time | ||||||
| t1 | ⋯ | tl | ⋯ | tL | ||
| Group | 1 | y11 | yl1 | yL1 | ||
| y12 | yl2 | yL2 | ||||
| y13 | ||||||
| 2 | y14 | yl3 | yL3 | |||
| y15 | yl4 | yL4 | ||||
| yl5 | ||||||
| (b) A permuted Sample | ||||||
| Time | ||||||
| t1 | ⋯ | tl | ⋯ | tL | ||
| Group | 1 | y14 | yl2 | yL3 | ||
| y12 | yl3 | yL1 | ||||
| y15 | ||||||
| 2 | y13 | yl1 | yL4 | |||
| y11 | yl4 | yL2 | ||||
| yl5 | ||||||
