There will be many posts demostrate how to transfer the mathematical laws to the codes, and the …
Sampling distribution is the set of possible outcomes when we collect data through the randomization …
Chapter 2 of Statistical Rethinking: A Bayesian Course with Examples in R and Stan introduces a …
To trace the fallacy of use hypothesis testing, I am programming the examples in Dr. Adrianus D. de …
When a set of data/observations is imported to R, it is usually treated as vector. Vector has two …
A bad case
A few days ago I was dealing with a raw data set as like the following table.
ID
Group …