count_na: Count Missing

In wjunger/ares: Environmental air pollution epidemiology: a library for time series analysis

Description

Count and return some statistics about missing values

Usage

count_na(var)

Arguments

var

a vector

Details

The function take var and count the occurrence of missing data.

Value

This function returns a list with

n.total	number of observations of var
na	number of missing observations
n.valid	number of valid observations
percent.na	percentage of missing observations

Author(s)

Washington Junger [e-mail] and Antonio Ponce de Leon [e-mail]

See Also

is.na,na.action

Examples

data(admrio)
setup(admrio,"date")
count_na(pm10)

wjunger/ares documentation built on Dec. 23, 2021, 5:17 p.m.