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Researchers in the life sciences who use machine learning for their studies should adopt standards that allow other researchers to reproduce their results, according to a comment article published today in the journal Nature Methods.

The authors explain that the standards are key to advancing scientific breakthroughs, making advances in knowledge, and ensuring research findings are reproducible from one group of scientists to the next. The standards would allow other groups of scientists to focus on the next breakthrough rather than spending time recreating the wheel built by the authors of the original study.

Casey S. Greene, Ph.D., director of the University of Colorado School of Medicine’s Center for Health AI, is a corresponding author of the article, which he co-authored with first author Benjamin J. Heil, a member of Greene’s research team, and researchers from the United States, Canada, and Europe.

“Ultimately all science requires trust—no scientist can reproduce the results from every paper they read,” Greene and his co-authors write. “The question, then, is how to ensure that analyses in the can be trusted.”

Greene and his co-authors outline standards to qualify for one of three levels of : Bronze, silver, and gold. These standards each set minimum levels for sharing study materials so that other life science researchers can trust the work, and if warranted, validate the work and build on it.

To qualify for a bronze standard, life science researchers would need to make their data, code, and models publicly available. In machine learning, computers learn from training data and having access to that data enables scientists to look for problems that can confound the process. The code tells future researchers how the computer was told to carry out the steps of the work.

In machine learning, the resulting is critically important. For future researchers, knowing the original research team’s model is critical for understanding how it relates to the data it is supposed to analyze. Without access to the model, other researchers cannot determine biases that might influence the work. For example, it can be difficult to determine whether an algorithm favors one group of people over another.

“Being…

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