Top Marker Genes by Cluster : differential expression analysis based on the non-parameteric Wilcoxon rank sum test.
avg_log2FC : log fold-change of the average expression between the cluster and the rest of the sample.
pct.1 : The percentage of cells where the gene is detected in the cluster.
pct.2 : The percentage of cells where the gene is detected in the rest of the sample.
p_val_adj : Adjusted p-value, based on bonferroni correction using all genes in the dataset.