python - Statsmodels.api Logit model error ValueError: endog must be in the unit interval -

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i know error means -i double-checked , y variable data within [0,1] with:

y.max() = 1 y.min() = 0.7333333 dtype(y) float64

i reading in data using pandas. first time using statsmodels.api package. ideas of else should check error


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