Error Adding Sound
Error adding sound to your favorites.
Play the sound Spit!:
This MP3 audio sound quote is from:
Biostatisticians use "fixed" and "random" effects to respectively refer to the population-average and subject-specific effects. A random effects model is a special case of a mixed model, which assumes that the data being analysed are drawn from a hierarchy of different populations. See also: Analysis of variance, Fixed effects model, Mixed model, Multilevel model, Meta-analysis, and Best linear unbiased prediction.