correcting bug on the selection of subsample

main/experiments/benchmark_vgg.py

@@ -171,8 +171,8 @@ if __name__ == '__main__':
             print(",".join(printed_r_list))
             exit()
         np.random.seed(SEED)
-        nys_subsample_index = np.random.permutation(NYS_SUBSAMPLE_SIZE)
-        nys_subsample = data.train[0][nys_subsample_index]
+        nys_subsample_index = np.random.permutation(data.train[0].shape[0])
+        nys_subsample = data.train[0][nys_subsample_index[:NYS_SUBSAMPLE_SIZE]]
         if REAL_NYSTROM:
             if KERNEL_NAME == "rbf":
                 kernel_fct = rbf_kernel
@@ -280,7 +280,6 @@ if __name__ == '__main__':
                       str(NYS_SUBSAMPLE_SIZE),
                       str(VALIDATION_SIZE),
                       str(SEED),
-
                       ]
     print(",".join(printed_r_list))