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Why doesn't this work in python?

 x = [] y = [] for ii in range(0,100): x.append(ii) y.append(ii) clf = LinearRegression() clf.fit(x, y) clf.predict(101)

I get the error "tuple index out of range"

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    X should be 2-dimensional array, not 1-dimensional. Commented Dec 31, 2014 at 16:02

1 Answer 1

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Make a list for each row so that in the end you have a 2D structure [[0], [1], [2], ...]:

x = [] y = [] for ii in range(0,100): x.append([ii]) <----- y.append(ii) clf = LinearRegression() clf.fit(x, y) clf.predict(101)

Output:

array([ 101.])

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