No. Observations
Also written: Dep. Variable, missing rows
The summary line showing how many rows the model actually used. If it is smaller than expected, statsmodels silently dropped rows with gaps in the formula's columns, so check it every time.
Also written: Dep. Variable, missing rows
The summary line showing how many rows the model actually used. If it is smaller than expected, statsmodels silently dropped rows with gaps in the formula's columns, so check it every time.