Collect mixed data from the internet.
a) Select some weather service like BBC temperature. Select part of the world with at least 20 countries. Make a list of countries and a city (capital) in each. Using R collect the data about the temperature in these cities. Visualize the data on the map representing the temperature as the color of the country.
OR
b) Find some internet selling site (cars, housing, …). For at least 200 items collect their characteristics and price. Clean and explore the collected data.