Read in the data (a csv file) from https://goo.gl/dWrc9m to a data frame called gapminder (data is also in data/gapminder5.csv if you don’t have an internet connection). Do you need to make any adjustments to the defaults? Note: you can specify a url instead of a filename/file path when using read.csv.
Look at the type of each column in the data you read in.
View the observations for Belgium.
Read in the tab-delimited file (states.txt) at https://goo.gl/AwnS4R (data is also at data/states.txt). What changes do you need to make to read in tab-delimited data? Are any other adjustments to the defaults warranted?
Change the column names to state, lat, and lon.
Does anything look strange to you about this data?
You read in the state data above. Now write it to file as a CSV file, with sensible options.
Create an Excel file. Read it into Excel with the readxl package. How would you read in the second sheet?