Predicted Immune-Related Genes and Subtypes in Systemic Lupus Erythematosus Based on Immune Infiltration Analysis

Figure 6

The three methods of average silhouette width, gap statistics and elbow method determine the optimal number of clusters for SLE_WB and SLE_PBMC. (a–c) Determination of the optimal number of clusters for SLE_WB by three methods.

(a) SLE_WB

(b) SLE_PBMC

(c) SLE_WB

(d) SLE_PBMC

(e) SLE_WB

(f) SLE_PBMC