REAGENT or RESOURCE	SOURCE	IDENTIFIER
Deposited data
RNA-seq data and clinical information for TCGA-SKCM	Broad Institute	TCGA (https://gdac.broadinstitute.org/)
TCGA mutation annotation format (MAF) files	Genomic Data Commons	https://gdc.cancer.gov/about-data/publications/pancanatlas
Bulk RNA-seq and related clinical information of 215 melanoma patients validation data	Cabrita et al.53	GEO: GSE65904
Bulk RNA-seq and related clinical information of 50 melanoma patients validation data	Xu et al.54	GEO: GSE8401
Immune-related genes (IRGs)	Charoentong et al.55 Bindea et al.56 Xu et al.57	Table S6 of Charoentong et al.55Table S2 of Bindea et al.56Table S1A of Xu et al.57
Software and algorithms
BASE	Chen et al.31
R (v4.2.0)	R CRAN	https://cran.r-project.org/
glmnet R package (v4.1-2)	Friedman et al.58	https://cran.r-project.org/web/packages/glmnet/index.html
tidyr R package (v1.1.3)	Wickham59	https://cran.r-project.org/web/packages/tidyr/index.html
dplyr R package (v1.0.7)	Wickham et al.60	https://cran.r-project.org/web/packages/dplyr/index.html
data.table R package (v1.14.0)	Dowle et al.61	https://cran.r-project.org/web/packages/data.table/index.html
survival R package (v3.2-11)	Therneau et al.62	https://cran.r-project.org/web/packages/survival/index.html
survivalROC R package (v1.0.3)	Heagerty et al.63	https://cran.r-project.org/web/packages/survivalROC/index.html
xCELL	Aran et al.32	https://github.com/dviraran/xCell
fgsea R package (v1.26.0)	Korotkevich et al.64	https://cran.r-project.org/web/packages/fgsea/index.html
prcomp R package (v3.6.2)	Venables et al.65	https://cran.r-project.org/web/packages/prcomp/index.html
factoextra R package (v1.0.7)	Kassambara et al.66	https://github.com/kassambara/factoextra