## Rows: 99,338
## Columns: 6
## $ long      <dbl> -69.89912, -69.89571, -69.94219, -70.00415, -70.06612, -7...
## $ lat       <dbl> 12.45200, 12.42300, 12.43853, 12.50049, 12.54697, 12.5970...
## $ group     <dbl> 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, ...
## $ order     <int> 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18...
## $ region    <chr> "Aruba", "Aruba", "Aruba", "Aruba", "Aruba", "Aruba", "Ar...
## $ subregion <chr> NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, N...

Q.a Produce a choropleth map of the wheat yield by country in 1998 and then in 2018.

Q.b Produce a single graphic that highlights one major change in wheat yield in 2018 compared to 1998.

###Q.c Produce graphic(s) to show which countries have the greatest crop yields per hectare.

## Rows: 4,309,644
## Columns: 18
## $ entity                         <chr> "Afghanistan", "Afghanistan", "Afgha...
## $ code                           <chr> "AFG", "AFG", "AFG", "AFG", "AFG", "...
## $ year                           <dbl> 1961, 1961, 1961, 1961, 1961, 1961, ...
## $ wheat_tonnes_per_hectare       <dbl> 1.022, 1.022, 1.022, 1.022, 1.022, 1...
## $ rice_tonnes_per_hectare        <dbl> 1.519, 1.519, 1.519, 1.519, 1.519, 1...
## $ maize_tonnes_per_hectare       <dbl> 1.4, 1.4, 1.4, 1.4, 1.4, 1.4, 1.4, 1...
## $ soybeans_tonnes_per_hectare    <dbl> NA, NA, NA, NA, NA, NA, NA, NA, NA, ...
## $ potatoes_tonnes_per_hectare    <dbl> 8.6667, 8.6667, 8.6667, 8.6667, 8.66...
## $ beans_tonnes_per_hectare       <dbl> NA, NA, NA, NA, NA, NA, NA, NA, NA, ...
## $ peas_tonnes_per_hectare        <dbl> NA, NA, NA, NA, NA, NA, NA, NA, NA, ...
## $ cassava_tonnes_per_hectare     <dbl> NA, NA, NA, NA, NA, NA, NA, NA, NA, ...
## $ barley_tonnes_per_hectare      <dbl> 1.08, 1.08, 1.08, 1.08, 1.08, 1.08, ...
## $ cocoa_beans_tonnes_per_hectare <dbl> NA, NA, NA, NA, NA, NA, NA, NA, NA, ...
## $ bananas_tonnes_per_hectare     <dbl> NA, NA, NA, NA, NA, NA, NA, NA, NA, ...
## $ long                           <dbl> 74.89131, 74.84023, 74.76738, 74.738...
## $ lat                            <dbl> 37.23164, 37.22505, 37.24917, 37.285...
## $ group                          <dbl> 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, ...
## $ order                          <int> 12, 13, 14, 15, 16, 17, 18, 19, 20, ...