Transforming Data – Learn It 1

  • Decide which transformation to use for the different type of data sets and analyze the results

Two groups of figures. Three are stood on top of tall stacks of coins with golf equipment. The other four figures are wearing construction equipment and working on much smaller stacks of coins.

The data for this in-class activity are from the Gapminder site on global development, which shows 2018 data on countries’ income per person[1] (in standardized dollar amounts) and life expectancy.[2] Each data point represents a different nation.


  1. Gapminder. (n.d.). GDP per capita in constant PPP dollars. http://gapm.io/dgdppc
  2. Gapminder. (n.d.). Life expectancy at birth. http://gapm.io/ilex