Суммируйте несколько столбцов, которые необходимо сгруппировать.
#r #tidyverse #summarize Вопрос: У меня есть фрейм данных, содержащий данные, которые выглядят примерно так: df <- data.frame( group1 = c("High","High","High","Low","Low","Low"), group2 = c("male","female","male","female","male","female"), one = c("yes","yes","yes","yes","no","no"), two = c("no","yes","no","yes","yes","yes"),…