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Fix error in contingency tables McNemar Test #14

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Fix error in contingency tables McNemar Test #14

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8 changes: 4 additions & 4 deletions w02_evaluation/t03_benchmarking.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -115,8 +115,8 @@
\begin{minipage}{0.74\textwidth}
\begin{itemize}
\item A: $\#$obs.\ correctly classified by both
\item B: $\#$obs.\ misclassified by model 1 but not by model 2
\item C: $\#$obs.\ misclassified by model 2 but not by model 1
\item B: $\#$obs.\ misclassified by model 2 but not by model 1
\item C: $\#$obs.\ misclassified by model 1 but not by model 2
\item D: $\#$obs.\ misclassified by both
\end{itemize}
\end{minipage}
Expand All @@ -126,8 +126,8 @@
\begin{minipage}[c]{0.625\linewidth}
Error of each model can be computed as follows:
\begin{itemize}
\item Model 1: (A+B)/(A+B+C+D)
\item Model 2: (A+C)/(A+B+C+D)
\item Model 1: (C+D)/(A+B+C+D)
\item Model 2: (B+D)/(A+B+C+D)
\end{itemize}

Even if the models have the \textbf{same} errors (indicating equal performance), cells B and C may be different because the models may misclassify different instances.
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