Section 15.9: Ridgeline Plot for Expression Distribution of GSEA Result has little information. Plot's x-axis has no title. What are the units? Should discuss advantages and disadvantages of changing core_enrichment from TRUE to FALSE.

Similarly, simplify is introduced in Section 17.4.3: Reduce Redundancy of Enriched GO Terms

measure: Method to measure similarity.

But what are valid options? Should be like measure = c("m1", "m2", "m3") and in function measure <- match.arg(measure). Also, there is no explanation of what "Wang" means mathematically. Refernces section links to old GitHub issues.