Created
February 7, 2023 06:17
-
-
Save chenpanliao/ab4efad95d420e19287307faf307ac0e to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
library(tidyverse) | |
set.seed(1234) | |
d <- | |
tibble( | |
Time = letters[1:5] %>% rep(3), | |
Species = LETTERS[1:3] %>% rep(each = 5), | |
LS_2 = rpois(15, 1), | |
LS_3 = rpois(15, 2), | |
LS_4 = rpois(15, 3) | |
) | |
print(d) | |
# A tibble: 15 × 5 | |
# Time Species LS_2 LS_3 LS_4 | |
# <chr> <chr> <int> <int> <int> | |
# 1 a A 0 3 3 | |
# 2 b A 1 1 2 | |
# 3 c A 1 1 2 | |
# 4 d A 1 1 3 | |
# 5 e A 2 1 1 | |
# 6 a B 1 1 4 | |
# 7 b B 0 1 2 | |
# 8 c B 0 1 2 | |
# 9 d B 1 0 8 | |
# 10 e B 1 1 4 | |
# 11 a C 1 3 3 | |
# 12 b C 1 2 3 | |
# 13 c C 0 4 2 | |
# 14 d C 3 3 3 | |
# 15 e C 0 0 2 | |
d %>% | |
# melt/gather 成 long table | |
gather("method", "Y", -Time, -Species) %>% | |
# dcast/spread 成新的 wide table | |
spread(Species, Y) | |
# A tibble: 15 × 5 | |
# Time method A B C | |
# <chr> <chr> <int> <int> <int> | |
# 1 a LS_2 0 1 1 | |
# 2 a LS_3 3 1 3 | |
# 3 a LS_4 3 4 3 | |
# 4 b LS_2 1 0 1 | |
# 5 b LS_3 1 1 2 | |
# 6 b LS_4 2 2 3 | |
# 7 c LS_2 1 0 0 | |
# 8 c LS_3 1 1 4 | |
# 9 c LS_4 2 2 2 | |
# 10 d LS_2 1 1 3 | |
# 11 d LS_3 1 0 3 | |
# 12 d LS_4 3 8 3 | |
# 13 e LS_2 2 1 0 | |
# 14 e LS_3 1 1 0 | |
# 15 e LS_4 1 4 2 | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment