Useful tips for everyday
How do you find the association between two categorical variables in SPSS? The syntax below shows how to do so with RECODE. *1. Recode system…
Can ARIMA be used for non-stationary time series? Should my time series be stationary to use ARIMA model? No, the I-letter stands for the procedure…
How can you increase precision while keeping recall constant? Generally, if you want higher precision you need to restrict the positive predictions to those with…
What does heterogeneity in a meta-analysis mean? the variation in study outcomes between Heterogeneity in meta-analysis refers to the variation in study outcomes between studies.…
What is Hochberg gt2? a post hoc or multiple comparison test which is used to determine which of three or more means differ from one…
How to prove the variance of AR ( 1 )? For the autoregressive AR (1) process x t = δ + ϕ x t −…
How do you calculate a mean difference? For example, let’s say the mean score on a depression test for a group of 100 middle-aged men…
Can you solve conditional probability with the laws of covariance? These conditional probability questions can seem mysterious at first, but with a solid grip on…
What is bias corrected accelerated? The bias correction factor is related to the proportion of bootstrap estimates that are less than the observed statistic. The…
Can you use Kruskal Wallis for repeated measures? It can also be used for continuous data that has violated the assumptions necessary to run the…