vault backup: 2026-03-03 12:26:29
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@@ -26,7 +26,7 @@ and undoing years of poor conditioning is... not easy.
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## Naming Conventions (Use Case vs. Description)
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## Naming Conventions (Use Case vs. Description)
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Related topic: [[realism-vs-instrumentalism]]
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Related topic: [[heuristics#Realism vs. Instrumentalism]]
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Naming by use case is intuitive for those without estimating or field experience,
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Naming by use case is intuitive for those without estimating or field experience,
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but has the side effect that those accustomed to the names
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but has the side effect that those accustomed to the names
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+21
-2
@@ -22,6 +22,25 @@ With that heuristic,
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one can closely approximate small dimensions,
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one can closely approximate small dimensions,
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even without the proper tools.
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even without the proper tools.
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## See Also
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## Realism vs. Instrumentalism
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[[realism-vs-instrumentalism]]
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Realism holds that the purpose of [scientific research](https://en.wikipedia.org/wiki/Research)
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is to describe the world as accurately as possible.
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Instrumentalism (anti-realism) argues that the purpose
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is to _forecast as accurately as possible_.
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> [!quote] George E. P. Box, British statistician
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> All models are wrong, but some are useful.[^1]
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[^1]: > [!quote] [[box_1987_empirical-model-building#The Use of Approximating Functions]]
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> The fact that the polynomial is an approximation
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> does not necessarily detract from its usefulness
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> because all models are approximations.
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> Essentially, all models are wrong, but some are useful.
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> [!quote] _Opinionated History of Mathematics_, "Did Copernicus steal ideas from Islamic astronomers?" (pp.)
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> Ptolemy's lunar model is "flawed"
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> in that it inaccurately describes Luna's distance from Earth,
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> however Ptolemy only ever used the model to predict eclipses,
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> which the model does very well.
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> The discrepancy is only a flaw from a realist perspective.
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@@ -1,33 +0,0 @@
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---
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id:
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aliases: []
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title: Realism vs. Instrumentalism
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tags:
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- authorship/original
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- destiny/fleeting
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- status/draft
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- type/encyclopedia-entry
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dg-publish: true
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---
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# Realism vs. Instrumentalism
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Realism holds that the purpose of [scientific research](https://en.wikipedia.org/wiki/Research)
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is to describe the world as accurately as possible.
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Instrumentalism (anti-realism) argues that the purpose
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is to _forecast as accurately as possible_.
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> [!quote] George E. P. Box, British statistician
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> All models are wrong, but some are useful.[^1]
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[^1]: > [!quote] [[box_1987_empirical-model-building#The Use of Approximating Functions]]
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> The fact that the polynomial is an approximation
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> does not necessarily detract from its usefulness
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> because all models are approximations.
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> Essentially, all models are wrong, but some are useful.
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> [!quote] _Opinionated History of Mathematics_, "Did Copernicus steal ideas from Islamic astronomers?" (pp.)
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> Ptolemy's lunar model is "flawed"
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> in that it inaccurately describes Luna's distance from Earth,
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> however Ptolemy only ever used the model to predict eclipses,
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> which the model does very well.
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> The discrepancy is only a flaw from a realist perspective.
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@@ -19,7 +19,7 @@ from Ace to PDI estimating.
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At a high level,
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At a high level,
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it's that our process is built on _instrumental_ methods,
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it's that our process is built on _instrumental_ methods,
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but that it is frequently judged from a _realist_ perspective.
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but that it is frequently judged from a _realist_ perspective.
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See [[realism-vs-instrumentalism]].
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See [[heuristics#Realism vs. Instrumentalism]].
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There may be a more accurate way to state this.
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There may be a more accurate way to state this.
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[[2025-11-10_11-14-00]] may be an example of a similar issue,
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[[2025-11-10_11-14-00]] may be an example of a similar issue,
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@@ -34,4 +34,4 @@ because otherwise it would be necessary to have double the assemblies,
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or to expect estimators to substitute each size of wire
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or to expect estimators to substitute each size of wire
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everywhere bare was necessary.
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everywhere bare was necessary.
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See [[realism-vs-instrumentalism]].
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See [[heuristics#Realism vs. Instrumentalism]].
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@@ -17,7 +17,7 @@ which were based on conflicting direction
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received from other estimators and seniors,
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received from other estimators and seniors,
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were made _without_ reason.
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were made _without_ reason.
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See [[realism-vs-instrumentalism]].
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See [[heuristics#Realism vs. Instrumentalism]].
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The peer's senior is looking for a _realist_ objection to his methods,
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The peer's senior is looking for a _realist_ objection to his methods,
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which an estimator without field experience (which the senior has)
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which an estimator without field experience (which the senior has)
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@@ -49,7 +49,7 @@ yearly: "[[2026]]"
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> in other than [[units-takeoff|Units]].
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> in other than [[units-takeoff|Units]].
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I expressed that,
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I expressed that,
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from a [[realism-vs-instrumentalism|realist]] perspective,
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from a [[heuristics#Realism vs. Instrumentalism|realist]] perspective,
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the `... DEVICES WITH WIRE - PVC` assemblies
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the `... DEVICES WITH WIRE - PVC` assemblies
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are unsuitable for use in drop ceilings
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are unsuitable for use in drop ceilings
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since they don't provide a flex whip and box.
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since they don't provide a flex whip and box.
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