[jira] [Created] (SPARK-34642) TypeError in Pyspark Linear Regression docs

["Sean R. Owen (Jira)" <ji...@apache.org>]

Sean R. Owen created SPARK-34642:
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             Summary: TypeError in Pyspark Linear Regression docs
                 Key: SPARK-34642
                 URL: https://issues.apache.org/jira/browse/SPARK-34642
             Project: Spark
          Issue Type: Bug
          Components: Documentation, ML, PySpark
    Affects Versions: 3.1.1
            Reporter: Sean R. Owen


The documentation for Linear Regression in Pyspark includes an example, which contains a TypeError:

https://spark.apache.org/docs/latest/api/python/reference/api/pyspark.ml.regression.LinearRegression.html?highlight=linearregression#pyspark.ml.regression.LinearRegression

{code}
>>> abs(model.transform(test1).head().newPrediction - 1.0) < 0.001
True
>>> lr.setParams("vector")
Traceback (most recent call last):
    ...
TypeError: Method setParams forces keyword arguments.
{code}

I'm pretty sure we don't intend this, and it can be resolved by just changing the function call to use keyword args.

(HT Brooke Wenig for flagging this)



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