def likelihood(self, data, hypothesis):

        score, learned, slip = \
            data['score'], data['learned'], data['slip']
        return (score
                * calculate_correct(hypothesis, slip, learned)
                + (1 - score)
                * calculate_incorrect(hypothesis, slip, learned))
This method must be overriden with your custom spider functionality
dataset/ETHPy150Open heiskr/sagefy/server/modules/sequencer/guess_pmf.py/GuessPMF.likelihood--crossover with--dataset/ETHPy150Open scrapy/scrapy/scrapy/spiders/feed.py/CSVFeedSpider.parse_row