问题描述
我想通过两列中的值将我的数据从长格式转换为宽格式。如何使用 tidyverse
执行此操作?
更新dput
structure(list(Country = c("Algeria","Benin","Ghana","Algeria","Ghana"
),Indicator = c("Indicator 1","Indicator 1","Indicator 2","Indicator 3","Indicator 3"
),Status = c("Actual","Forecast","Target","Actual","Target"),Value = c(34,15,5,28,2,43,1)),row.names
= c(NA,-9L),class = c("tbl_df","tbl","data.frame"))
Country Indicator Status Value
<chr> <chr> <chr> <dbl>
1 Algeria Indicator 1 Actual 34
2 Benin Indicator 1 Forecast 15
3 Ghana Indicator 1 Target 5
4 Algeria Indicator 2 Actual 28
5 Benin Indicator 2 Forecast 5
6 Ghana Indicator 2 Target 2
7 Algeria Indicator 3 Actual 43
8 Benin Indicator 3 Forecast 5
9 Ghana Indicator 3 Target 1
预期输出
Country Indicator1_Actual Indicator1_Forecast Indicator1_Target Indicator2_Actual
Algeria 34 15 5 28
等
感谢任何提示!
foo <- data %>% pivot_wider(names_from = c("Indicator","Status"),values_from = "Value")
完美运行!
解决方法
我认为错误在于您的 pivot_wider()
命令
data %>% pivot_wider(names_from = Indicator,values_from = c(Indicator,Status))
我敢打赌,您不能对名称和值使用同一列。
试试这个代码
data %>% pivot_wider(names_from = c(Indicator,Status),values_from = Value))
说明:由于您希望列名称为Indicator 1_Actual,您需要将列指示器和状态都输入到您的 names_from
如果您提供示例数据和预期输出,将会很有帮助。但是我在我的虚拟数据上测试了这个,它给出了预期的输出 -
数据:
# A tibble: 4 x 4
a1 a2 a3 a4
<int> <int> <chr> <dbl>
1 1 5 s 10
2 2 4 s 20
3 3 3 n 30
4 4 2 n 40
调用:a %>% pivot_wider(names_from = c(a2,a3),values_from = a4)
输出:
# A tibble: 4 x 5
a1 `5_s` `4_s` `3_n` `2_n`
<int> <dbl> <dbl> <dbl> <dbl>
1 1 10 NA NA NA
2 2 NA 20 NA NA
3 3 NA NA 30 NA
4 4 NA NA NA 40
如果你想复制这里的数据
structure(list(a1 = 1:4,a2 = 5:2,a3 = c("s","s","n","n"),a4 = c(10,20,30,40)),row.names = c(NA,-4L),class = c("tbl_df","tbl","data.frame"))
编辑:对于在尝试正确的 pivot_wider()
命令后编辑的问题 - 看起来您的数据实际上可能有重复,在这种情况下,您看到的输出是有意义的 - 我建议您尝试计算使用 filter(Country == ..,Indicator == ..,Status == ..)
这可以通过在 names_from
中的 pivot_wider()
参数中调用您的两个列以更宽的角度来实现。
data %>%
pivot_wider(names_from = c("Indicator","Status"),values_from = "Value")
结果
Country `Indicator 1_Ac… `Indicator 1_Fo… `Indicator 1_Ta… `Indicator 2_Ac… `Indicator 2_Fo…
<chr> <dbl> <dbl> <dbl> <dbl> <dbl>
1 Algeria 34 15 5 28 5