mathmlben
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Visualization for goldstandard
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text/mathml
<math
xmlns="http://www.w3.org/1998/Math/MathML" display="block" alttext="StartAbsoluteValue left-bracket k right-bracket Superscript n Baseline left-parenthesis 1 hyphen 1 right-parenthesis EndAbsoluteValue equals StartBinomialOrMatrix k Choose n EndBinomialOrMatrix n factorial equals left-parenthesis k right-parenthesis Subscript n Baseline">
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<annotation encoding="application/x-tex">|[k]^{n}(1{\text{-}}1)|={\binom {k}{n}}n!=(k)_{n}</annotation>
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</math>