Split data frame, apply function, and discard results.

Combine multiple functions into a single function returning a named vector of outputs. Note: you cannot supply additional parameters for the summary functions

1 |

`...` |
functions to combine. each function should produce a single number as output |

`summarise`

for applying summary functions to data

1 2 3 4 5 6 7 8 9 10 11 12 | ```
# Call min() and max() on the vector 1:10
each(min, max)(1:10)
# This syntax looks a little different. It is shorthand for the
# the following:
f<- each(min, max)
f(1:10)
# Three equivalent ways to call min() and max() on the vector 1:10
each("min", "max")(1:10)
each(c("min", "max"))(1:10)
each(c(min, max))(1:10)
# Call length(), min() and max() on a random normal vector
each(length, mean, var)(rnorm(100))
``` |

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