sm.stats.zt_ind_solve_power returns an array if nobs1 is less than 197. I'm sure 197 is not special; it's just the result of the other settings in this specific case. The documentation says that a ...
When inferring type on an array of floats, the array doesn't act the same as an array typed to Array[float]. Invalid type in function 'sum_array' in base 'Node2D ()'. The array of argument 1 (Array) ...
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