Useful tips for everyday
What graph do you use for a paired t test? A bar graph showing the average value before and the average value after really doesn’t…
Is there a Wilcoxon signed rank test in R? The Wilcoxon signed-rank test (also sometimes referred as Wilcoxon test for paired samples) is performed when…
How are Taylor expansions used in probability theory? Taylor expansions for the moments of functions of random variables. In probability theory, it is possible to…
How is a language model trained? Step 1: Train a general language model on a large corpus of data in the target language. This model…
How many degrees of freedom will a chi-square test statistic have? They’re not free to vary. So the chi-square test for independence has only 1…
What are the factors affecting correlation? The authors describe and illustrate 6 factors that affect the size of a Pearson correlation: (a) the amount of…
Does Chi-square have a dependent variable? First, chi-square tests assume that the dependent variable is frequency data; hence, just numbers of cases observed in a…
What assumption do we make in creating the randomisation distribution? Construct a randomization distribution under the assumption that the null hypothesis is true. Use the…
What is the main advantage of the semi interquartile range? The semi-interquartile range is one-half the difference between the first and third quartiles. It is…
What are difference in difference estimates? The difference in difference (or “double difference”) estimator is defined as the difference in average outcome in the treatment…