7 References

We must be careful with the interpretation for two reasons:

  • For every year we do not have all the countries

  • The nominal GDP per capita increases over time: for example in 1986 Albania had a per capita GDP of about 700 dollars whereas today it is 12700.

The results for 2000 are more accurate because all the countries present were able to be represented in each tranche.

Some visulization techniques inspired from the Kaggle post
Avocados pattern recognition analysis