Part 1

Author: mdlima

mlclass-ex8/mlclass-ex8/estimateGaussian.m

@@ -22,7 +22,8 @@
 %
 
 
-
+mu = mean(X);
+sigma2 = var(X,1);
 
 
 

mlclass-ex8/mlclass-ex8/selectThreshold.m

@@ -24,13 +24,15 @@
     %       of 0's and 1's of the outlier predictions
 
 
+    predictions = (pval < epsilon);
+    tp = sum(predictions  & yval);
+    fp = sum(predictions  & ~yval);
+    fn = sum(~predictions & yval);
 
+    prec = tp/(tp + fp);
+    rec = tp/(tp + fn);
 
-
-
-
-
-
+    F1 = 2 * prec * rec / (prec + rec);
 
 
 

mlclass-ex8/mlclass-ex8/submit.m

@@ -216,8 +216,8 @@ function submit(partId)
 
 
 function [login password] = basicPrompt()
-  login = input('Login (Email address): ', 's');
-  password = input('Password: ', 's');
+  login = '[email protected]'; %input('Login (Email address): ', 's');
+  password = 'KaRnwfiJh5'; %input('Password: ', 's');
 end