[SPARK-8043] [MLLIB] [DOC] update NaiveBayes and SVM examples in doc

jira: https://issues.apache.org/jira/browse/SPARK-8043

I found some issues during testing the save/load examples in markdown Documents, as a part of 1.4 QA plan

Author: Yuhao Yang <hhbyyh@gmail.com>

Closes #6584 from hhbyyh/naiveDocExample and squashes the following commits:

a01a206 [Yuhao Yang] fix for Gaussian mixture
2fb8b96 [Yuhao Yang] update NaiveBayes and SVM examples in doc

1 files changed, 3 insertions, 3 deletions

diff --git a/docs/mllib-clustering.md b/docs/mllib-clustering.md
index dac22f736e..1b088969dd 100644
--- a/docs/mllib-clustering.md
+++ b/docs/mllib-clustering.md
@@ -249,11 +249,11 @@ public class GaussianMixtureExample {
     GaussianMixtureModel gmm = new GaussianMixture().setK(2).run(parsedData.rdd());
 
     // Save and load GaussianMixtureModel
-    gmm.save(sc, "myGMMModel")
-    GaussianMixtureModel sameModel = GaussianMixtureModel.load(sc, "myGMMModel")
+    gmm.save(sc.sc(), "myGMMModel");
+    GaussianMixtureModel sameModel = GaussianMixtureModel.load(sc.sc(), "myGMMModel");
     // Output the parameters of the mixture model
     for(int j=0; j<gmm.k(); j++) {
-        System.out.println("weight=%f\nmu=%s\nsigma=\n%s\n",
+        System.out.printf("weight=%f\nmu=%s\nsigma=\n%s\n",
             gmm.weights()[j], gmm.gaussians()[j].mu(), gmm.gaussians()[j].sigma());
     }
   }