Useful tips for everyday
Which is the best model for zero inflated data? Results from simulated and real data showed that the zero- altered or zero-inflated negative binomial model…
What does a beta prior look like in Bayesian statistics? A beta prior has two shape parameters that determine what it looks like, and is…
Which non-parametric test is applicable as an alternative of a parametric test? When the word “parametric” is used in stats, it usually means tests like…
What is significance of correlation? Correlation is a statistical measure that expresses the extent to which two variables are linearly related (meaning they change together…
What does the phrase summing up mean? sum up. To give a brief and accurate summary, description, assessment, or representation of something; to summarize. A…
Does lower AIC mean better model? In plain words, AIC is a single number score that can be used to determine which of multiple models…
Which analysis is relationship between two or more variables? Regression. Regression analysis attempts to determine the best “fit” between two or more variables. The independent…
How do you read an ACF and PACF plot? Identifying AR and MA orders by ACF and PACF plots: To define a MA process, we…
What is an advantage of multiple regression over regression? The most important advantage of Multivariate regression is it helps us to understand the relationships among…
What are the various techniques in the time series analysis? The four variations to time series are (1) Seasonal variations (2) Trend variations (3) Cyclical…