Fix ZCA Regularization parameter in CIFAR pipeline

amplab / keystone

Simplifying robust end-to-end machine learning on Apache Spark.

http://keystone-ml.org/

Apache License 2.0

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Fix ZCA Regularization parameter in CIFAR pipeline #190

Closed etrain closed 8 years ago

etrain commented 8 years ago

The current regularization value for the ZCAEstimator in the CIFAR pipeline is very small (1e-12) -- we should increase it to 0.1 for this pipeline and consider increasing the default value in general.