From f3907de2b3c23b36a46f153be6b72c9cf0c9a800 Mon Sep 17 00:00:00 2001
From: Matthias Vallentin <vallentin@icir.org>
Date: Thu, 14 Jul 2016 18:06:40 -0700
Subject: [PATCH] Fix variance of Pareto distribution

Spotted by Carlo Cavalieri.
---
 stat-cookbook.tex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/stat-cookbook.tex b/stat-cookbook.tex
index 3d1d668..3fcecf5 100644
--- a/stat-cookbook.tex
+++ b/stat-cookbook.tex
@@ -37,7 +37,7 @@
 %     improvements.
 %   - The patch version changes for trivial fixes, such as typos in text or
 %     formulas.
-\newcommand{\version}{0.2}
+\newcommand{\version}{0.2.1}
 
 % Probability and Statistics LaTeX shortcuts.
 \input{probstat}
@@ -294,7 +294,7 @@ \subsection{Continuous Distributions}
   1 - \left(\frac{x_m}{x} \right)^\alpha \; x\ge x_m &
   \alpha\frac{x_m^\alpha}{x^{\alpha+1}} \quad x\ge x_m&
   \frac{\alpha x_m}{\alpha-1} \; \alpha>1 &
-  \frac{x_m^\alpha}{(\alpha-1)^2(\alpha-2)} \; \alpha>2 &
+  \frac{x_m^2\alpha}{(\alpha-1)^2(\alpha-2)} \; \alpha>2 &
   \alpha(-x_m s)^\alpha \Gamma(-\alpha,-x_m s) \; s<0\\[3ex]
 
   \bottomrule