From 9a28b7082730777e5179b3d1c5a774a8d3057267 Mon Sep 17 00:00:00 2001
From: Dan Buch <daniel.buch@gmail.com>
Date: Fri, 15 Jul 2011 07:36:50 -0400
Subject: [PATCH] up to Correlation Coefficient

---
 elementary-statistics/.Rhistory | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/elementary-statistics/.Rhistory b/elementary-statistics/.Rhistory
index 275a17c..f80727a 100644
--- a/elementary-statistics/.Rhistory
+++ b/elementary-statistics/.Rhistory
@@ -356,3 +356,12 @@ boxplot(duration, horizontal=TRUE)
 boxplot(interval, horizontal=TRUE)
 q
 q()
+var(duration)
+var(interval)
+max(interval) - min(interval)
+sd(duration)
+sd(interval)
+waiting
+interval == waiting
+cov(duration, waiting)
+q()