use dplyr's summarise_each to return one row per function?

Question

I\'m using dplyr\'s summarise_each to apply a function to multiple columns of data. One thing that\'s nice is that you can apply multiple functions at once. Thing is, it\'

Answer 1

You can achieve a similar output combining the dplyr and tidyr packages. Something along these lines can help

library(dplyr)
library(tidyr)

iris %>%
  select(matches("Petal")) %>%
  summarise_each(funs(min, max)) %>%
  gather(variable, value) %>%
  separate(variable, c("var", "stat"), sep = "\\_") %>%
  spread(var, value)
##   stat Petal.Length Petal.Width
## 1  max          6.9         2.5
## 2  min          1.0         0.1