15 lines
364 B
Julia
15 lines
364 B
Julia
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# convenience function to calculate the mean-squared error
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function mse(arr1::Array, arr2::Array)
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@assert length(arr1) == length(arr2)
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N = length(arr1)
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err = 0.0
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for i in 1:N
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err += (arr2[i] - arr1[i])^2
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end
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err /= N
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end
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issubtype(T::Type) = x -> typeof(x) <: T
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lessthan(rhs) = lhs -> lhs < rhs
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greaterthan(rhs) = lhs -> lhs > rhs
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