---
title: "Regression and Other Stories: Pollution"
author: "Andrew Gelman, Jennifer Hill, Aki Vehtari"
date: "`r format(Sys.Date())`"
output:
  html_document:
    theme: readable
    toc: true
    toc_depth: 2
    toc_float: true
    code_download: true
---
A pollution data set. See Chapter 12 in Regression and Other
Stories.

Source: McDonald, G.C. and Schwing, R.C. (1973) 'Instabilities of
regression estimates relating air pollution to mortality',
Technometrics, vol.15, 463-482. See data/pollution.txt for the
explanation of the variables.

-------------


```{r setup, include=FALSE}
knitr::opts_chunk$set(message=FALSE, error=FALSE, warning=FALSE, comment=NA)
```

**Load packages**

```{r }
library("rprojroot")
root<-has_file(".ROS-Examples-root")$make_fix_file()
```

**Load data**

```{r }
pollution <- read.csv(root("Pollution/data","pollution.csv"))
head(pollution)
```

