ds.na: Missing Values of Study Variable

Description Usage Arguments Details Value Dependencies Author(s) Examples

Description

Computes the missing values of a given study variable. Count all values set as NA or another missing value indicator.

Usage

1
ds.na(x = NULL, datasources = NULL)

Arguments

x

a character, the name of study variable.

datasources

a list of opal object(s) obtained after login in to opal servers; these objects hold also the data assign to R, as data frame, from opal datasources.

Details

It is a wrapper for the server side function getNumNa.

Value

return a numeric value.

Dependencies

getNumNa

Author(s)

Paula Raissa Costa e Silva

Examples

1
2
3
{
na <- ds.na('D$birth_weight')
}

paularaissa/distStatsClient documentation built on June 19, 2019, 12:43 a.m.