A new test called Weighted Kolmogorov Smirnov (WKS) has been developed as an alternative to Gene Set Enrichment Analysis (GSEA) for analyzing genomic data. The WKS test uses a different statistical approach that allows for faster computation times and may provide more informative results compared to the traditional GSEA test. The researchers proved the convergence of the new test statistic under the null hypothesis and demonstrated its effectiveness using expression data from the GEO repository. The WKS test could be a valuable tool for researchers working with gene sets in genomic studies.