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Invalid call to function [extra arguments] in learning.py #830

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@goswami-rahul

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@goswami-rahul

function train_and_test has prototype:

def train_and_test(dataset, start, end):

but it is passed 4 arguments in the below function in learning.py.

def learningcurve(learner, dataset, trials=10, sizes=None):
    if sizes is None:
        sizes = list(range(2, len(dataset.examples) - 10, 2))

    def score(learner, size):
        random.shuffle(dataset.examples)
        return train_and_test(learner, dataset, 0, size)
    return [(size, mean([score(learner, size) for t in range(trials)]))
            for size in sizes]

I think learner should not be passed, but then it is the only use of learner parameter in train_and_test.
How should this be resolved?

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