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Commit 40776e09 authored by Antti Hyttinen's avatar Antti Hyttinen
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Minor changes to setting. Describing that j is a particular value for J.

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......@@ -14,7 +14,7 @@ We consider data recorded from a decision making process with the following char
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Each case is decided by one decision maker and we use $\judge$ as an index to the decision maker the case is assigned.
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For each such assignment, a decision maker $\human_\judgeValue$ considers a case described by a set of features \allFeatures and makes a binary decision $\decision \in\{0, 1\}$, nominally referred to as {\it positive} ($\decision = 1$) or {\it negative} ($\decision = 0$).
For each such assignment, a decision maker $\human_\judgeValue$ (where $\judgeValue$ is a particular value for $\judge$) considers a case described by a set of features \allFeatures and makes a binary decision $\decision \in\{0, 1\}$, nominally referred to as {\it positive} ($\decision = 1$) or {\it negative} ($\decision = 0$).
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Intuitively, in our bail-or-jail example of Section~\ref{sec:introduction}, $\human_\judgeValue$ corresponds to the human judge deciding whether to grant bail ($\decision = 1$) or not ($\decision = 0$).
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......@@ -41,7 +41,7 @@ Otherwise, if the decision of the judge was to keep the defendant in jail ($\dec
For each case a record $(\judgeValue, \obsFeaturesValue, \decisionValue, \outcomeValue)$ is produced that contains only observations on a subset $\obsFeatures\subseteq \allFeatures$ of the features of the case, the decision $\decision$ of the judge and the outcome $\outcome$ -- but leaves no trace for a subset $\unobservable = \allFeatures \setminus \obsFeatures$ of the features.
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Intuitively, in our example, $\obsFeatures$ corresponds to publicly recorded information about the bail-or-jail case decided by the judge (e.g., the gender and age of the defendant) and $\unobservable$ corresponds to features that are observed by the judge but do not appear on record (e.g., whether the defendant appeared anxious in court).
Intuitively, in our example, $\obsFeatures$ corresponds to publicly recorded information about the bail-or-jail case decided by the judge (e.g., the harshness of the possible crime) and $\unobservable$ corresponds to features that are observed by the judge but do not appear on record (e.g., exact verbal response of the defendant in court).
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The set of records $\dataset = \{(\judgeValue, \obsFeaturesValue, \decisionValue, \outcomeValue)\}$ %produced by decision maker \human
comprises what we refer to as the {\bf dataset}.
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