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Equation 4 · Part 2 · Comparing the Main Approaches to AI for Science and Medicine

Symbol s

N(s)N(s)
ss

What this part means

s is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

s is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

where h(s) is the hit rate measured directly among compounds actually synthesized and tested at docking-score bin s , and N(s) is the number of untested library members scored into that bin. Applying this to the D4 results produced an estimate of roughly 453,000 ligands across the full 138-million-compound library — a projection under an assumed score-to-hit-rate relationship, not a directly counted total.…

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