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R Markdown

This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com.

When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:

## Loading required package: acs

## Loading required package: stringr

## Loading required package: XML

## 
## Attaching package: 'acs'

## The following object is masked from 'package:base':
## 
##     apply

##       region    value
## 1    alabama  4777326
## 2     alaska   711139
## 3    arizona  6410979
## 4   arkansas  2916372
## 5 california 37325068
## 6   colorado  5042853

Note that the echo = FALSE parameter was added to the code chunk to prevent printing of the R code that generated the plot.