From 2ae5eeb1b59d6f586d9c56220d2833bf5704e87d Mon Sep 17 00:00:00 2001
From: hadley <h.wickham@gmail.com>
Date: Tue, 4 Oct 2016 11:20:28 -0500
Subject: [PATCH] Remove extraneous cache = FALSE

---
 model-basics.Rmd | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/model-basics.Rmd b/model-basics.Rmd
index f77d687..a6b6c93 100644
--- a/model-basics.Rmd
+++ b/model-basics.Rmd
@@ -555,7 +555,7 @@ model_matrix(df, y ~ poly(x, 2))
 
 However there's one major problem with using `poly()`: outside the range of the data, polynomials rapidly shoot off to positive or negative infinity. One safer alternative is to use the natural spline, `splines::ns()`.
 
-```{r, cache = FALSE}
+```{r}
 library(splines)
 model_matrix(df, y ~ ns(x, 2))
 ```