You can even see a truncated RankWarning in the output in the appendix. Low rank indeed! Numpy is crying out in agony and the authors didn’t notice They’re usi

You can even see a truncated RankWarning in the output in the appendix. Low rank indeed! Numpy is crying out in agony and the authors didn’t notice They’re using GPT….to write code that does “quadratic regression” on two whole data points…which just extends the slope of each [2022, 2023] line one year further!