The R Script: New Treatments as Fixed Effect | Analysis of Augmented Block Design Using R Part 2: Analyzing Treatments as Fixed Effects

It is now time for us to write the R script to fit the linear mixed model to the data. We are assuming that we will treat the Entries as fixed effect. In this next video we demonstrate how we will fit the mixed model.

Download the source of the R script used in the talk

Download an example data file that may be used along with the Script

Quiz

Question

Question : Close the R window and reopen and type the instruction:

library(lmerTest)

Which of the following messages is NOT seen in R console as a result of the above instruction

Loading required package: Matrix

Incorrect: Explanation: lmerTest wraps/extends the functionality of lme4 package.

Loading required package: Rcpp

Incorrect: Explanation: lmerTest wraps/extends the functionality of lme4 package.

Loading required package: lm

Correct: Explanation: lmerTest wraps/extends the functionality of lme4 package.

Loading required package: lme4

Incorrect: Explanation: lmerTest wraps/extends the functionality of lme4 package.

Looks Good! Correct: Explanation: lmerTest wraps/extends the functionality of lme4 package.