Useful tips for everyday
What is a spline in gam? See Wood (2006) for a comprehensive account of GAM models as implemented in R’s mgcv package. 1.2 Splines. A…
What are distractors in testing? A multiple choice item consists of a problem, known as the stem, and a list of suggested solutions, known as…
What is the maximum value of balanced accuracy? The balanced accuracy in binary and multiclass classification problems to deal with imbalanced datasets. It is defined…
When to report the performance of prediction models? Decision-analytic measures should be reported if the predictive model is to be used for making clinical decisions.…
How do you use Fisher Z transform? Fisher’s Z Transformation Enter the correlation between X and Y for sample 1. Enter the sample 1 size.…
How to compare two GLMs with binomial dependent variables? I want to compare two GLMs with binomial dependent variables. The results are: The model test…
What is the value of the variance of a standard normal distribution? 1 A standard normal distribution has a mean of 0 and variance of…
Does Partial Least Squares perform variable selection? PLS in its original form has no implementation of variable selection, since the focus of the method is…
What is an interaction term in Stata? Stata: Data Analysis and Statistical Software You can put a # between two variables to create an interaction–indicators…
What is the difference between descriptive analysis and descriptive statistics? The purpose of descriptive analysis is to summarize the data actually collected, and thereby to…