def _step1c(self, word):
        if word[-1] == 'y' and len(word) > 2 and self._cons(word, len(word) - 2):
            return word[:-1] + 'i'
        else:
            return word
Returns the confidence interval for a regression
dataset/ETHPy150Open nltk/nltk/nltk/stem/porter.py/PorterStemmer._step1c--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/emplike/aft_el.py/AFTResults.ci_beta