8PROJECTING INTO THE FUTURE

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In the previous chapter, we developed a quadratic model of world population growth from 1950 to 2016. It is a simple model, but it fits the data well and the mechanisms it’s based on are plausible. In this chapter, we will use the quadratic model to generate projections of future growth and compare our results to projections from actual demographers.

This chapter is available as a Jupyter notebook where you can read the text, run the code, and work on the exercise. You can access the notebooks at https://allendowney.github.io/ModSimPy.

Generating Projections

Let’s run the quadratic model, extending the results until ...

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