Equation 7 · Part 1 · Measuring Frontier Models: Contamination, Variance, and What a Score Can Support
Symbol x_i
What this part means
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
is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol x_i→Article meaning
The passage around this formula
The number is only as good as three things: whether resembles , whether the are genuinely held out, and whether the indicator is measured with enough repetition to characterise its spread. All three fail routinely, and they fail in different directions.
Learn the underlying idea
A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.
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