ABSTRACT
To any analyst performing a meta-analysis, the first terminology is proba-
bly fixed-effects versus random-effects models. Therefore to give readers an
introductory and broad view of meta-analysis, we begin by presenting these
models with limited details in this chapter along with the commonly used R
packages of rmeta and meta using two datasets described in Section 3.1. De-
tailed descriptions of these models and their applications will be learned in
future chapters.