count: Counts how many observations (optionally, satisfying a...
In genvar: An Imperative Library for Data Manipulation

Counts how many observations (optionally, satisfying a condition)

1	count(ifstmt)

ifstmt

an optional argument which gives an condition that must be met for the observation to be counted

returns the count

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2
3

use(cars, clear=TRUE)
count()
count(speed <= 20)

genvar documentation built on Jan. 21, 2020, 9:07 a.m.

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