Parallel Analysis: Determining the Dimensionality of Data

1 WHAT IS PARALLEL ANALYSIS 2 METHODOLOGY 3 PARALLEL ANALYSIS IN R Recently, my colleague asked me to review a state assessment tech report. In the tech report, a section-“Parallel Analysis” really caught my eyes. I have done parallel analysis multiple times in the past. However, I have never thought about this topic in a systematical way. It is always a good memory refreshing opportunity. Therefore, I take this tech report reviewing opportunity to dig down the parallel analysis.