12 Linear Mixed Model: Review

In this section, we explored:

• Experimental design and data structure relevant to LMM

• Data restructuring: wide to long format

• Example of paired t-test and its implementation using LMM

• Terminologies: fixed effect, random effect

• Likelihood and estimation of parameters using ML and REML

• Implementation of LMM in SPSS

• An overview of strategies to fit LMM