Cyril de Vogelaere created SPARK-20180:
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Summary: Unlimited max pattern length in Prefix span
Key: SPARK-20180
URL: https://issues.apache.org/jira/browse/SPARK-20180
Project: Spark
Issue Type: Improvement
Components: MLlib
Affects Versions: 2.1.0
Reporter: Cyril de Vogelaere
Priority: Minor
Right now, we need to use .setMaxPatternLength(x) (with x > 0) to
specify is the maximum pattern length of a sequence. Any pattern longer than
that won't be outputted.
The current default maxPatternlength value being 10.
This should be changed so that with input 0, all pattern of any length would be
outputted. Additionally, the default value should be changed to 0, so that a
new user could find all the pattern in his dataset without looking at this
parameter.
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