Useful tips for everyday
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:…
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…
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…
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…
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…
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…
How does a restricted Boltzmann machine ( RBM ) work? As you can see, on its forward pass, an RBM uses inputs to make predictions…
How do you tell if the columns of a matrix are orthogonal? A matrix P is orthogonal if PTP = I, or the inverse of…
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…
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…