myui opened a new pull request #220: [HIVEMALL-285] Add -inspect_opts option to show hyperparameters URL: https://github.com/apache/incubator-hivemall/pull/220 ## What changes were proposed in this pull request? Add `-inspect_opts` option to show hyperparameters ## What type of PR is it? Improvement ## What is the Jira issue? https://issues.apache.org/jira/browse/HIVEMALL-285 ## How was this patch tested? manual tests on EMR ## How to use this feature? ```sql select train_regressor(array(), 0, '-inspect_opts -optimizer adam -reg elasticnet'); FAILED: UDFArgumentException Inspected Optimizer options ... {disable_cvtest=false, regularization=ElasticNet, loss_function=SquaredLoss, eps=1.0E-8, decay=0.0, iterations=10, eta0=0.1, l1_ratio=0.5, lambda=1.0E-4, eta=Invscaling, optimizer=adam, beta1=0.9, beta2=0.999, alpha=1.0, cv_rate=0.005, power_t=0.1} ``` ## Checklist - [x] Did you apply source code formatter, i.e., `./bin/format_code.sh`, for your commit? - [x] Did you run system tests on Hive (or Spark)?
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