From 295e61b071e356dd47cdf9d73f73c2d139c0b08d Mon Sep 17 00:00:00 2001
From: Laurent Modolo <laurent.modolo@ens-lyon.fr>
Date: Thu, 26 Aug 2021 16:14:34 +0200
Subject: [PATCH] add material for work on WDI data
---
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+---
+title: "World data bank indicator"
+output: html_document
+---
+
+```{r setup, include=FALSE}
+knitr::opts_chunk$set(echo = TRUE)
+```
+
+## World Bank datasets
+
+The World Bank makes available a ton of great data from the World Development Indicators through its web API. The WDI package for R makes it easy to search and download data series from the WDI.
+
+```{r library}
+library(tidyverse)
+install.packages("WDI")
+library(WDI)
+```
+
+## Creating a dataset
+
+You can also embed plots, for example:
+
+```{r dataset}
+data <- WDI(
+ indicator = c(
+ "NY.GDP.MKTP.CD",
+ "NY.GDP.MKTP.KD.ZG",
+ "SI.POV.GINI",
+ "SP.POP.TOTL",
+ "EN.ATM.CO2E.PC",
+ "SP.DYN.LE00.IN"
+ ),
+ country = c('AL', 'AD', 'AM', 'AT', 'BY', 'BE', 'BA', 'BG', 'CH', 'CY', 'CZ', 'DE',
+ 'DK', 'EE', 'ES', 'FO', 'FI', 'FR', 'GB', 'GE', 'GI', 'GR', 'HU', 'HR',
+ 'IE', 'IS', 'IT', 'LI', 'LT', 'LU', 'LV', 'MC', 'MK', 'MT', 'NO', 'NL', 'PL',
+ 'PT', 'RO', 'RS', 'RU', 'SE', 'SI', 'SK', 'SM', 'TR', 'UA', 'VA'),
+ start = 1960,
+ end = 2021)
+```
+
+Note that the `echo = FALSE` parameter was added to the code chunk to prevent printing of the R code that generated the plot.
+
+```{r plot}
+ggplot(
+ data=data,
+ mapping=aes(
+ x = year,
+ y = NY.GDP.MKTP.CD/SP.POP.TOTL,
+ color = country
+ )) +
+ geom_line()
+```
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