vault backup: 2025-12-13 17:58:54
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@@ -11,6 +11,16 @@ title: Uncertainty
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---
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# Uncertainty
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%%
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## TALK
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## TODO
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%%
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The term "uncertainty" refers to the possibility of multiple outcomes.
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## Information
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@@ -25,7 +35,7 @@ In statistical inference and [[strategy]],
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> is the amount a decision maker would be willing to pay
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> for information prior to making a decision.
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Suppose information $I$ is available to a decision maker
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Suppose information $I$ is available to a decision maker.
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Consider these two scenarios:
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1. the decision maker does not purchase the information
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@@ -45,9 +55,8 @@ V(I) &= P(D)|I - P(D) \\
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\end{align*}
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$$
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> [!info] Expectation Notation
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> When forecasting, the payout of decisions is unknown,
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> thus
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When forecasting, the payout of decisions is unknown,
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thus
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$$
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\mathbb{E}\left[V(I)\right] = \mathbb{E}\left[P(D)\right] - \mathbb{E}\left[P(D)|I\right]
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