Science, Maths & Technology
How to compare income across countries
...data set - that is, quote a value as a rate (per weekday, for example, or per head of population (that is, per capita)) or as a percentage - provides one way of doing this. At other times, we may need to add another form of correction or adjustmentto the figures that allows us to be able to make a fair comparison against a particular basis. For example, for comparing...