Examples of multiple summaries

multiple_summaries.R

library(tidyverse)

# Examples of multiple summaries...
# Based on examples here: https://dplyr.tidyverse.org/reference/across.html

# one summary across multiple columns
mtcars %>% 
  group_by(cyl) %>%
  summarise(across(where(is.numeric), mean))

# multiple summaries across multiple columns
mtcars %>% 
  group_by(cyl) %>%
  summarise(across(where(is.numeric),
                   list(mean = mean, min = min, max = max)))

# with arugments to summary functions
mtcars %>% 
  group_by(cyl) %>%
  summarise(across(where(is.numeric),
                   list(mean = ~ mean(.x, na.rm = TRUE),
                        min = ~ min(.x. na.rm = TRUE),
                        max = ~ max(.x, na.rm = TRUE))))