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想象這是我的數據HRD的結構:我想知道有多少人left
百分比集團通過變量並顯示百分比率R上的vaue和dplyr
'data.frame': 14999 obs. of 2 variables:
$ left : Factor w/ 2 levels "0","1": 2 2 2 2 2 2 2 2 2 2
$ sales : Factor w/ 10 levels "accounting","hr",..: 8 8 8 8 8 8 8 8 8 8 ...
(0 =停留,1 =離開)每個級別的sales
。
這是最接近我來:
hrd %>% group_by(sales) %>% count(left)
但是,輸出是這樣的:
sales left n
<fctr> <fctr> <int>
1 accounting 0 563
2 accounting 1 204
3 hr 0 524
4 hr 1 215
5 IT 0 954
6 IT 1 273
7 management 0 539
8 management 1 91
9 marketing 0 655
10 marketing 1 203
11 product_mng 0 704
12 product_mng 1 198
13 RandD 0 666
14 RandD 1 121
15 sales 0 3126
16 sales 1 1014
17 support 0 1674
18 support 1 555
19 technical 0 2023
20 technical 1 697
我想是這樣的:
hrd %>% group_by(sales)
%>% summarise(count = n())
%>% mutate(leaving_rate = count(left == 1)/ count)
但錯誤消息是說
Error: object 'left' not found
非常感謝。作品!對於其他人在這裏磕磕絆絆,你可以通過'''percent_left = sum(left == 0)''來得到相反的百分比。 –