Basic Statistics
26 2 Basic Statistics. For the model (2.1), it is often assumed that the εi follow a normal distribution N (0, σ2), where the N (µ, σ2) probability density function is given by. φ(y|µ, σ) = √ 1 exp 2πσ2.
https://www.psu.edu/dept/statgen/book/book1-9780387203348.pdf