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Does Sarah Nexus consider deactivating fragments?

Fragments can cause activity (for example reactive groups that directly react with DNA), block activity (like charged groups that impede a chemical from accessing compartments containing DNA), and have no impact (neither react with DNA, nor stop other functional groups from doing so). Teasing out the latter two classes (deactivating and neutral) is important to avoid learning statistically significant but spurious (coincidental) relationships and can be achieved through a number of approaches. The approach we have taken uses a form of iterative learning (or recursive partitioning) in the form of an intermediate decision tree.

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