Useful tips for everyday
Which is the best definition of the VC dimension? The VC dimension (for Vapnik–Chervonenkis dimension) is a measure of the capacity (complexity, expressive power, richness,…
What is survey data collection method? Data collection surveys collect information from a targeted group of people about their opinions, behavior, or knowledge. Common types…
Can a bootstrap be used to obtain uncertainty estimates? I appreciate the usefulness of the bootstrap in obtaining uncertainty estimates, but one thing that’s always…
What is a 95% confidence ellipse? A 95% confidence ellipse for this mean is really an algorithm with the following property: if you were to…
How do you test for curvilinear relationship? If there is significant variability accounted for in Y by X squared in the second step, then there…
What is the computational complexity of gradient descent? But according to the Machine Learning course by Stanford University, the complexity of gradient descent is O(kn2),…
What is the additive property of normal distribution? ⇒ Additive Property: If two Normal Distributions X_1 \sim N(\mu_1,{\sigma_1}^2) and X_2 \sim N(\mu_2,{\sigma_2}^2) are added to…
Is standard error of the mean the same as sampling error? Revised on February 11, 2021. The standard error of the mean, or simply standard…
Which term is the linear term in a quadratic equation? The term ax2 is called the quadratic term (hence the name given to the function),…
What is the difference between Gini Impurity and entropy in a decision tree? Both gini and entropy are measures of impurity of a node. A…