diff options
Diffstat (limited to 'examples/src/main/python/mllib/linear_regression_with_sgd_example.py')
-rw-r--r-- | examples/src/main/python/mllib/linear_regression_with_sgd_example.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/src/main/python/mllib/linear_regression_with_sgd_example.py b/examples/src/main/python/mllib/linear_regression_with_sgd_example.py index 6fbaeff0cd..6744463d40 100644 --- a/examples/src/main/python/mllib/linear_regression_with_sgd_example.py +++ b/examples/src/main/python/mllib/linear_regression_with_sgd_example.py @@ -44,7 +44,7 @@ if __name__ == "__main__": # Evaluate the model on training data valuesAndPreds = parsedData.map(lambda p: (p.label, model.predict(p.features))) MSE = valuesAndPreds \ - .map(lambda (v, p): (v - p)**2) \ + .map(lambda vp: (vp[0] - vp[1])**2) \ .reduce(lambda x, y: x + y) / valuesAndPreds.count() print("Mean Squared Error = " + str(MSE)) |