[jira] [Created] (SPARK-17116) Allow params to be a {string, value} dict

["Manoj Kumar (JIRA)" <ji...@apache.org>]

Manoj Kumar created SPARK-17116:
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             Summary: Allow params to be a {string, value} dict
                 Key: SPARK-17116
                 URL: https://issues.apache.org/jira/browse/SPARK-17116
             Project: Spark
          Issue Type: Improvement
          Components: ML, PySpark
            Reporter: Manoj Kumar
            Priority: Minor


Currently, it is possible to override the default params set at constructor time by supplying a ParamMap which is essentially a (Param: value) dict.
Looking at the codebase, it should be trivial to extend this to a (string, value) representation.

{code}
# This hints that the maxiter param of the lr instance is modified in-place
lr = LogisticRegression(maxIter=10, regParam=0.01)
lr.fit(dataset, {lr.maxIter: 20})

# This seems more natural.
lr.fit(dataset, {"maxiter": 20})
{code}



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