n

0th

Percentile

The number of observations in the current group.

This function is implemented specifically for each data source and can only be used from within summarise(), mutate() and filter().

Usage
n()
Aliases
  • n
Examples
# NOT RUN {
if (require("nycflights13")) {
carriers <- group_by(flights, carrier)
summarise(carriers, n())
mutate(carriers, n = n())
filter(carriers, n() < 100)
}
# }
Documentation reproduced from package dplyr, version 0.7.6, License: MIT + file LICENSE

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