To Make A Good Model, You Need Reliable Data And A Solid Understanding Of The Underlying Processes: …

And this actually understates the complexity.

TO MAKE A GOOD MODEL, YOU NEED RELIABLE DATA AND A SOLID UNDERSTANDING OF THE UNDERLYING PROCESSES: Why It’s So Freaking Hard To Make A Good COVID-19 Model. Otherwise you’re just playing with numbers and fancy graphics.

Source: To Make A Good Model, You Need Reliable Data And A Solid Understanding Of The Underlying Processes: …