diff --git a/few/evaluation.py b/few/evaluation.py
index db4c173..56e0b8c 100644
--- a/few/evaluation.py
+++ b/few/evaluation.py
@@ -8,7 +8,7 @@
 import numpy as np
 from sklearn.metrics import explained_variance_score, mean_absolute_error, mean_squared_error, median_absolute_error, r2_score
 import pdb
-from sklearn.metrics import silhouette_samples, silhouette_score, accuracy_score
+from sklearn.metrics import silhouette_samples, silhouette_score, accuracy_score, roc_auc_score
 import itertools as it
 import sys
 from sklearn.metrics.pairwise import pairwise_distances
@@ -107,6 +107,7 @@ class EvaluationMixin(object):
     'fisher': lambda y,yhat: 1 - fisher(yhat,y),
     'accuracy': lambda y,yhat: 1 - accuracy_score(yhat,y),
     'random': lambda y,yhat: np.random.rand(),
+    'roc_auc': lambda y,yhat: 1 - roc_auc_score(y,yhat)
     # 'relief': lambda y,yhat: 1-ReliefF(n_jobs=-1).fit(yhat.reshape(-1,1),y).feature_importances_
     }
     #