**Appendix B**

**Figure A1.** Marginal analysis: clustering dendrogram based on the relative Euclidean distances.

**Table A1.** Joint analysis: relative overlapping between different cancer types.



**Table A2.** Joint analysis: relative Euclidean distances between estimated coefficient matrices.

**Figure A2.** Joint analysis: clustering dendrogram based on the relative Euclidean distances.

**Table A3.** Data-based simulation: average true positive rates (TPRs) and false positive rates (FPRs) of different approaches, and numbers of identified true positives associated with all nine cancer types (NG).



**Table A3.** *Cont.*
