Just wanted to throw out a related Quanta article about Sugihara's method: https://www.quantamagazine.org/chaos-theory-in-ecology-predicts-future-populations-20

Just wanted to throw out a related Quanta article about Sugihara's method: https://www.quantamagazine.org/chaos-theory-in-ecology-predicts-future-populations-20151013/ https://www.quantamagazine.org/chaos-theory-in-ecology-predi... Sugihara's method is a way of quantifying causal relationships in nonlinear systems with attractors that would be cumbersome to model (hence the "equation free" description).