vault backup: 2026-01-11 09:00:19

2026-01-09.md

@@ -84,3 +84,29 @@ accounting for all relevant information available at time $t$.
 $C(t)$ returns a distribution whose [scale](https://en.wikipedia.org/wiki/Scale_parameter)
 decreases with $t$, and $C(0)$ maps to a single value.
 $t>0$ is time until the final payment.
+
+> ![503x480](https://upload.wikimedia.org/wikipedia/commons/thumb/8/89/Log-normal-pdfs.png/960px-Log-normal-pdfs.png)
+>
+> Figure: lognormal distributions with the same [location](https://en.wikipedia.org/wiki/Location_parameter)
+> varied by [scale](https://en.wikipedia.org/wiki/Scale_parameter).
+
+## 2026-01-09 16:28
+
+### Occam's razor
+
+> [!info] Also Known As
+> * the principle of parsimony
+> * the law of parsimony
+
+recommends searching for explanations constructed with the smallest possible set of elements.
+Attributed to William of Ockham, 14th-century English philosopher and theologian.
+
+> _Entia non sunt multiplicanda praeter necessitatem_
+> ("Entities must not be multiplied beyond necessity")
+
+> Of two competing theories,
+> the simpler explanation of an entity is to be preferred."
+
+> [!quote] [[klugman-et-al_2019_loss-models#4.2 The Role of Parameters]]
+> The principle of parsimony states that the simplest model
+> that adequately reflects reality should be used.