def cdf(self, X):
        X = np.asarray(X)
        return 1/(1+np.exp(-X))
Recursive function: transforms a dict with nested entries like
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/discrete/discrete_model.py/Logit.cdf--crossover with--dataset/ETHPy150Open Bookworm-project/BookwormDB/bookwormDB/MetaWorm.py/flatten