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  • December 14, 2020Blog

    How do I choose a test set size?

    How do I choose a test set size? The Usual Answer. My usual answer is to the “what is a good test set size?” is:…

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  • December 14, 2020Helpful tips

    What are studentized residuals in R?

    What are studentized residuals in R? A studentized residual is simply a residual divided by its estimated standard deviation. In practice, we typically say that…

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  • December 14, 2020Popular

    What are the disadvantages of KNN algorithm?

    What are the disadvantages of KNN algorithm? Some Disadvantages of KNN Accuracy depends on the quality of the data. With large data, the prediction stage…

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  • December 14, 2020Contributing

    How do you find the most common value?

    How do you find the most common value? If you just want to find most common number in a list, you can use a simple…

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  • December 14, 2020Blog

    Is the value t 2.10 significant at the 10% level is it significant at the 5% level is it significant at the 1% level?

    Is the value t 2.10 significant at the 10% level is it significant at the 5% level is it significant at the 1% level? The…

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  • December 14, 2020Blog

    What affects the size of a paired t-test?

    What affects the size of a paired t-test? The Effect Size A d near 0.2 is a small effect, a d near 0.5 is a…

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  • December 14, 2020Miscellaneous

    How does a restricted Boltzmann machine ( RBM ) work?

    How does a restricted Boltzmann machine ( RBM ) work? As you can see, on its forward pass, an RBM uses inputs to make predictions…

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  • December 14, 2020Helpful tips

    How do you tell if the columns of a matrix are orthogonal?

    How do you tell if the columns of a matrix are orthogonal? A matrix P is orthogonal if PTP = I, or the inverse of…

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  • December 14, 2020Helpful tips

    What is a quadratic relationship in statistics?

    What is a quadratic relationship in statistics? Quadratic Relationships A quadratic relationship is a mathematical relation between two variables that follows the form of a…

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  • December 14, 2020Miscellaneous

    Why is it important to retest an experiment multiple times?

    Why is it important to retest an experiment multiple times? Why is it important to choose measures with good reliability? Having good test re-test reliability…

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