当我运行以下命令时,会得到一个烦人的消息,上面写着:summarise() ungrouping output (override with .groups argument)
。
我想知道如何在下面的数据中消除这个消息?
library(tidyverse)
hsb <- read.csv('https://raw.githubusercontent.com/rnorouzian/e/master/hsb.csv')
ave_cluster_n <- as_vector(hsb %>% dplyr::select(sch.id) %>% group_by(sch.id) %>% summarise(n=n()) %>% ungroup() %>% dplyr::select(n))
# `summarise()` ungrouping output (override with `.groups` argument) # How to eliminate this message