in Gettinf and Cleaning Data corrected a bad exemple of path in xpathSApply exemple in extract content by attributes

leduke2000 · leduke2000 · commit 5e6b0c56ae29 · 2015-07-10T19:16:06.000-07:00
diff --git a/3_GETDATA/Getting and Cleaning Data Course Notes.Rmd b/3_GETDATA/Getting and Cleaning Data Course Notes.Rmd
@@ -120,7 +120,7 @@ $\pagebreak$
 		* `xpathSApply(rootNode, "//price", xmlValue)` = get the values of all elements with tag "price"
 * **extract content by attributes**
     * `doc <- htmlTreeParse(url, useInternal = True)`
-    * `scores <- xpathSApply(doc, "//li@class='score'", xmlvalue)` = look for li elements with `class = "score"` and return their value
+    * `scores <- xpathSApply(doc, "//li[@class='score']", xmlvalue)` = look for li elements with `class = "score"` and return their   value
 
 
 
