Map a state-level numerical variable

Description

Generate a map of a state-level numerical variable

Usage

 mapvar(val, abbr, col = 1:3, Legend="") 

Arguments

Details

Relies heavily on the map function. See the unemployment example for sample code that may help explain how the mapvar function works.

Value

A data frame of the state.fips data set together with a standardized form of the values.

Author(s)

David Diez

References

OpenIntro, openintro.org

See Also

state

Examples

data(state)
mapvar(state$unempl, state$abbr, 3:1, Legend="Unemployment (%)")

mapvar(state$soc_sec, state$abbr, 1:3, Legend="Social Security (%)")

DC         <- state$state == "District of Columbia"
murder     <- state$murder
murder[DC] <- NA
mapvar(murder, state$abbr, c(3,2,2), Legend="Murders per 100k")

mapvar(state$nuclear, state$abbr, c(2,3,2), Legend="Nuclear Energy (%)")

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(OIdata)
Loading required package: RCurl
Loading required package: bitops
Loading required package: maps

 # maps v3.1: updated 'world': all lakes moved to separate new #
 # 'lakes' database. Type '?world' or 'news(package="maps")'.  #


> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/OIdata/mapvar.Rd_%03d_medium.png", width=480, height=480)
> ### Name: mapvar
> ### Title: Map a state-level numerical variable
> ### Aliases: mapvar
> ### Keywords: map United States
> 
> ### ** Examples
> 
> data(state)
> mapvar(state$unempl, state$abbr, 3:1, Legend="Unemployment (%)")
> 
> mapvar(state$soc_sec, state$abbr, 1:3, Legend="Social Security (%)")
> 
> DC         <- state$state == "District of Columbia"
> murder     <- state$murder
> murder[DC] <- NA
> mapvar(murder, state$abbr, c(3,2,2), Legend="Murders per 100k")
> 
> mapvar(state$nuclear, state$abbr, c(2,3,2), Legend="Nuclear Energy (%)")
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>