I am trying to run a regression of the logarithm of average hourly earnings, ln(AHE), on Age, Age2, Female, and Bachelor.

but it wont run and I am not sure why.

the dataset it from:

https://www.princeton.edu/~mwatson/Stock-Watson_4E/Stock-Watson-Resources-4e.html

its the CPS2015 (Used in EE 8.2) dataset

model4 summary (model4) :1 (Top Level) # sole Background Jobs * R 4.1.1 .~/ iduals: Min 10 Median 30 Max 59410 -0.28720 0.01002 0. 30250 2.06247 fficients: Estimate Std. Error t value Pr(>Itl) tercept) 0.32325 0. 19608 1. 649 0. 0993 age) 0. 71537 0. 05784 12.368