Useful tips for everyday
How to calculate the probability of a disease? Now suppose that the prevalence rates or the probabilities of the occurrence of events A, B, and…
How to make forecasts of equidistant time series? There are several methods to make forecasts of equidistant time series (e.g. Holt-Winters, ARIMA.). However I am…
How are regression and correlation related? Correlation quantifies the strength of the linear relationship between a pair of variables, whereas regression expresses the relationship in…
What is plot also known as? Definition: The sequence of events told in a story, plot is also known as narrative structure. What are the…
What is effect size in ANOVA SPSS? Eta squared is the measure of effect size. It is the percentage of the dependent variable explained by…
How to deal with missing outcome data in randomized trials? For continuous outcome data, the most likely value based on the multivariable model can be…
What is the formula for the standard error on the difference between two independent sample means? The difference between the means of two samples, A…
Who invented the Bandit? Definitions. The term bandit (introduced to English via Italian around 1590) originates with the early Germanic legal practice of outlawing criminals,…
What is the difference between AT and F-test? While t-test is used to compare two related samples, f-test is used to test the equality of…
How do you assess the performance of a regression model? In regression model, the most commonly known evaluation metrics include: R-squared (R2), which is the…