[英]Adding groups to rows in a dataframe in R
一種使用reshape() melt()
的解決方案
library(readr)
library(reshape)
Data:
df<-structure(list(age_group = c("<20", ">70", "20-29", "30-39",
"40-49", "50-59", "60-69"), no = c(19L, 1L, 447L, 196L, 92L,
55L, 24L), yes = c(21L, 1L, 664L, 371L, 204L, 137L, 63L), total = c(2L,
0L, 217L, 175L, 112L, 82L, 39L)), class = "data.frame", row.names = c(NA,
-7L))
代碼:
df<-melt(C0001)
df<-as.data.frame(df)
df[order(df$age_group),]
age_group variable value
1 <20 no 19
8 <20 yes 21
15 <20 total 2
2 >70 no 1
9 >70 yes 1
16 >70 total 0
3 20-29 no 447
10 20-29 yes 664
17 20-29 total 217
4 30-39 no 196
11 30-39 yes 371
18 30-39 total 175
5 40-49 no 92
12 40-49 yes 204
19 40-49 total 112
6 50-59 no 55
13 50-59 yes 137
20 50-59 total 82
7 60-69 no 24
14 60-69 yes 63
21 60-69 total 39
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