Useful tips for everyday
What are the terms for a mixed model? Some terms you might come across regarding these types of models include: Variance components Random intercepts and…
How do you deal with ties in Wilcoxon test? Dealing with ties: There are two types of tied observations that may arise when using the…
Which is a conditional distribution of a multivariate normal? Any distribution for a subset of variables from a multivariate normal, conditional on known values for…
How do you professionally decline a request? How to politely decline a request Understand the reason for the request. Brainstorm several solutions. Firmly, but gently,…
How do you examine diagnostic efficacy of tests? Measures: Sensitivity and specificity indicate the probability of a positive or negative test result, given that the…
Can random effects be categorical? When a categorical variable contains all possible levels of interest, the effects for these levels are called fixed effects. When…
What is a conditional distribution in a contingency table? The conditional distributions describe the distribution of one variable given the levels of the other variable.…
What is the coefficient of variation ( CV ) of log transformed data? I understand that with log-transformed data, the coefficient of variation (CV) on…
Can the predicted value from a linear probability model can exceed 1? Solution: Always use heteroskedasticity robust standard errors when estimating a linear probability model!…
Which is binomial polynomial? In algebra, a binomial is a polynomial that is the sum of two terms, each of which is a monomial. It…