Useful tips for everyday
What is the connection between Bernoulli random variables and binomial random variables? The Bernoulli distribution represents the success or failure of a single Bernoulli trial.…
Is the Gaussian kernel a normalized kernel? With the normalization constant this Gaussian kernel is a normalized kernel, i.e. its integral over its full domain…
Why is normal distribution not good? Give a reason why a normal distribution, with this mean and standard deviation, would not give a good approximation…
What are monotonicity Constraints? It is often the case in a modeling problem or project that the functional form of an acceptable model is constrained…
What are the steps involved to prepare data for logistic function? Data Pre-processing step. Fitting Logistic Regression to the Training set. Predicting the test result.…
Are robust standard errors efficient? Furthermore, in case of homoscedasticity, robust standard errors are still unbiased. However, they are not efficient. That is, conventional standard…
What is the correlation between continuous and categorical variables? Correlation between continuous and categorial variables •Point Biserial correlation – product-moment correlation in which one variable…
How do I interpret quantile regression coefficients for males? With the binary predictor, the constant is median for group coded zero (males) and the coefficient…
Why do we use conjugate priors in Bayesian linear regression? Another option is to use what is called conjugate prior, that is, a specially chosen…
What is pre and post testing? Pre and post testing is a assessment model designed to examine the change in overall critical thinking skills or…