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@dieulinh110
dieulinh110 / gist:0b5b17f10b2807c648b482682449b3fc
Last active April 20, 2018 06:16
Calculating the sum of rows in each column group
## LOAD PACKAGE
library(dplyr)
## INPUT
input <- data.frame(president = c("A1", "A1", "A1", "A1", "A1", "A1", "A1"),
vice_president = c("B", "B", "B", "B", "C", "C", "C"),
manager = c("D", "D", "E", "E", "F", "G", "H"),
staff = c("I", "J", "K", "L", "M", "N", "O"),
qty_1 = c(1:7),