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我有一个数据框,其中包含若干数值列,其逗号类为 ,这是为了将数据框保存到excel文件并以excel逗号格式显示 数字列使用Openxlsx软件包。使用dplyr包时保留逗号类
现在,当我使用dplyr包进行分组和总结数据时,逗号类将从数字列中丢失。
是否有可能以某种方式使用dplyr包并仍保留原始逗号类?
这里是逗号类中的数据帧:
library(tidyverse)
library(stringr)
set.seed(10)
df_central_database <- data.frame(Category = as.character(sample(words[1:10], size = 50, replace = TRUE)) ,
Summ_Income =sample(1000:10000, size = 50, replace = TRUE),
Summ_Securities =sample(1000:10000, size = 50, replace = TRUE),
Summ_Bonds =sample(1000:10000, size = 50, replace = TRUE),
Summ_Options =sample(1000:10000, size = 50, replace = TRUE)
)
class(df_central_database$Summ_Income) <- "comma"
class(df_central_database$Summ_Securities) <- "comma"
class(df_central_database$Summ_Bonds) <- "comma"
class(df_central_database$Summ_Options) <- "comma"
str(df_central_database)
'data.frame': 50 obs. of 5 variables:
$ Category : Factor w/ 10 levels "a","able","about",..: 6 4 5 7 1 3 3 3 7 5 ...
$ Summ_Income :Class 'comma' int [1:50] 4189 9428 3213 5258 2724 6249 5135 5207 4598 5548 ...
$ Summ_Securities:Class 'comma' int [1:50] 4099 1551 4321 4668 9229 8999 9854 5295 7242 4832 ...
$ Summ_Bonds :Class 'comma' int [1:50] 8916 2774 1625 2416 4001 2620 2318 3615 9425 1922 ...
$ Summ_Options :Class 'comma' int [1:50] 3008 5823 6963 8633 2342 7031 7855 9988 3369 8967 ...
现在用dplyr包组和总结重置新的数据帧列回INT:
df_rep1 <- df_central_database %>%
group_by(Category) %>%
summarise_all(.funs = sum)
str(df_rep1)
Classes ‘tbl_df’, ‘tbl’ and 'data.frame': 10 obs. of 5 variables:
$ Category : Factor w/ 10 levels "a","able","about",..: 1 2 3 4 5 6 7 8 9 10
$ Summ_Income : int 23632 24434 48506 28288 26662 22076 19452 22832 25071 3469
$ Summ_Securities: int 20390 20588 48728 31054 31550 33387 25930 28458 35604 8760
$ Summ_Bonds : int 21531 23576 33218 29206 26030 25966 34724 30306 36029 7113
$ Summ_Options : int 24345 31356 54054 28524 44705 28161 35068 25267 28022 5713
是否有可能以某种方式防止dplyr重置班级?这里
感谢 拉斐尔
所以总结然后转换类。我通过dplyr提供了一个函数[here](https://stackoverflow.com/a/45415788/5635580)。所以如果你做了'df_central_database%>% group_by(Category)%>% summarise_all(.funs = sum)%>%mutate_at(vars(contains('Summ')),funs(f1))',那么类将是'逗号' – Sotos