使用dplyr在数据帧的第一个位置包含列
我想在数据框的第一个位置包含此日期列：使用dplyr在数据帧的第一个位置包含列,r,dplyr,R,Dplyr,我想在数据框的第一个位置包含此日期列： structure(list(X1 = c(11.3705103971604, 11.4361888772212, 11.3814847407673, 11.5781572141443, 11.6650578877301, 11.4879322097833, 11.6200420427224, 11.5903615117163, 11.6353980629399, 11.6100907116964, 11.4995114041115, 11.6041
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4.72604921707455)), row.names = c(NA, 246L), class = "data.frame")
dplyr有什么帮助吗？
bind\u colsdplyrlibrary(dplyr)
data.frame(date) %>% bind_cols(data.frame(df))
date X1 X2 X3
1 2015-01-02 11.37051 0.81598567 3.61812049
2 2015-01-05 11.43619 0.78590141 3.21321611
3 2015-01-06 11.38148 0.88337944 2.67984625
4 2015-01-07 11.57816 0.65739334 2.40105084
我们可以使用
tibbleadd\u columnlibrary(tidyverse)
add_column(df, dates, .before = 'X1')
add_column(df, dates, .after = 0) %>%
head
# dates X1 X2 X3
#1 2015-01-02 11.37051 0.8159857 3.618120
#2 2015-01-05 11.43619 0.7859014 3.213216
#3 2015-01-06 11.38148 0.8833794 2.679846
#4 2015-01-07 11.57816 0.6573933 2.401051
#5 2015-01-08 11.66506 0.5514587 2.254899
#6 2015-01-09 11.48793 0.7970729 2.010334
您需要这样做：
df%>%mutate（date=date）%%>%select（date，everything（））mutate