About the Authors

Paul J. McMurdie

Affiliation Statistics Department, Stanford University, Stanford, California, United States of America

Susan Holmes

susan@stat.stanford.edu

Affiliation Statistics Department, Stanford University, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PJM SH. Performed the experiments: PJM. Analyzed the data: PJM SH. Contributed reagents/materials/analysis tools: PJM SH. Wrote the paper: PJM SH.