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README.Rmd
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README.Rmd
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---
output: github_document
---
<!-- README.md is generated from README.Rmd. Please edit that file -->
```{r, echo = FALSE}
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>",
fig.path = "man/figures/README-"
)
```
# popgrids
[![Build Status](https://travis-ci.org/Nowosad/popgrids.png?branch=master)](https://travis-ci.org/Nowosad/popgrids)
[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1162868.svg)](https://doi.org/10.5281/zenodo.1162868)
This dataset consists 0.5 × 0.5 degree grids of:
1. Global population and GDP estimations for years 1980-2010 created by downscaling actual populations and GDPs by country, and
2. Global population and GDP projections for years 2020-2100 created by downscaling projected populations and GDPs under three shared socioeconomic pathways (SSP): SSP1; SSP2; and SSP3.
The dataset is modified [Global dataset of gridded population and GDP scenarios, version 3](http://www.cger.nies.go.jp/gcp/population-and-gdp.html).
While the original dataset is a shapefile of 0.5 × 0.5 degree grids masked by countries, the new one contains a regular grid in form of raster objects.
Code used to create this data is at https://github.com/Nowosad/global_population_and_gdp.
## Installation
Get the development version from github:
```{r gh-installation, eval = FALSE}
# install.packages("devtools")
devtools::install_github("Nowosad/popgrids")
```
## Examples
```{r example}
library(popgrids)
library(sp)
library(raster)
```
#### Population estimation for 2010
```{r example1}
plot(pop_grid, "p_2010")
```
#### GDPs projections for 2100 (pathway SSP3)
```{r example2}
plot(gdp_grid, "g3_2100")
```
## References
- Original data source: http://www.cger.nies.go.jp/gcp/population-and-gdp.html
- Murakami, D. and Yamagata, Y. (2016) Estimation of gridded population and GDP scenarios with spatially explicit statistical downscaling, ArXiv, 1610.09041, URL: https://arxiv.org/abs/1610.09041.