About the Authors
- James P. Crutchfield
- Complexity Sciences Center, Physics Department, University of California Davis, Davis, California, United States of America
- Sean Whalen
- Computer Science Department, Columbia University, New York, New York, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JPC SW. Performed the experiments: JPC SW. Analyzed the data: JPC SW. Contributed reagents/materials/analysis tools: JPC SW. Wrote the paper: JPC SW.