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R 如何通过特定变量计算一列的百分比？_R_Data Science - Fatal编程技术网
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R 如何通过特定变量计算一列的百分比？

r

R 如何通过特定变量计算一列的百分比？,r,data-science,R,Data Science,我最终想画出海洋盆地覆盖藻类的珊瑚礁总数的百分比 DF这里有一个带有dplyr library(dplyr) DF %>% group_by(ocean_basin) %>% summarise(Prop = 100 * sum(algae_area_km, na.rm = TRUE)/sum(reef_area_km, na.rm = TRUE), .groups = 'drop')

我最终想画出海洋盆地覆盖藻类的珊瑚礁总数的百分比

DF

这里有一个带有
dplyr

library(dplyr)
DF %>%
       group_by(ocean_basin) %>%
       summarise(Prop = 100 *
         sum(algae_area_km, na.rm = TRUE)/sum(reef_area_km, na.rm = TRUE), 
              .groups = 'drop')