
---
title: "Introduction to the project"
output: 
  html_document:
    fig_caption: no
    number_sections: no
    toc: no
    toc_float: false
    collapsed: no
---

```{r set-options, echo=FALSE}
options(width = 105)
knitr::opts_chunk$set(dev='png', dpi=300, cache=TRUE)
pdf.options(useDingbats = TRUE)
```

The visualization developed here uses the `{terra}` and `{rasterVis}` packages to map the global 
pattern of alpha, calculated using the CRU CL2 climate data set.  The maps also include a 
world outline with coastlines and country borders.

More introductory material...