check.na {bnpa}

Verify variables with NA

Description

This function receives a data set and calculates the number of NAs to each variable, then calculates the percentual of existing NAs and inform the variables, number/percent of NAs.

Usage

check.na(data.to.work)

Arguments

data.to.work

is a data set containing the variables to check NAs.

Value

the number and percent of NAs.

Author(s)

Elias Carvalho

References

LITTLE, R J A; RUBIN, D B. Statistical analysis with missing data. John Wiley & Sons, 2014.

Examples

# Clean environment
closeAllConnections()
rm(list=ls())
# Set enviroment
# setwd("to your working directory")
# Load packages
library(bnpa)
# Use working data sets from package
data(dataQuantC)
head(dataQuantC)
# Adding NAs to dataQuantC # credits for the random NA code for: https://goo.gl/Xj6caY
dataQuantC <- as.data.frame(lapply(dataQuantC, function(cc) cc[ sample(c(TRUE, NA),
                             prob = c(0.85, 0.15), size = length(cc), replace = TRUE) ]))
# Checking the Nas
check.na(dataQuantC)