MIN Better output filenames

Author: luispedro

ch02/figure1.py

@@ -25,4 +25,4 @@
     plt.ylabel(feature_names[p1])
     plt.xticks([])
     plt.yticks([])
-plt.savefig('../1400_02_01.png')
+plt.savefig('figure1.png')

ch02/figure2.py

@@ -44,4 +44,4 @@
 plt.xlim(x0, x1)
 plt.xlabel(feature_names[p0])
 plt.ylabel(feature_names[p1])
-plt.savefig('../1400_02_02.png')
+plt.savefig('figure2.png')

ch02/figure4_5.py

@@ -57,9 +57,9 @@ def train_plot(features, labels):
 labels = np.array([names.index(ell) for ell in labels])
 
 train_plot(features, labels)
-plt.savefig('../1400_02_04.png')
+plt.savefig('figure4.png')
 
 features -= features.mean(0)
 features /= features.std(0)
 train_plot(features, labels)
-plt.savefig('../1400_02_05.png')
+plt.savefig('figure5.png')