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https://issues.apache.org/jira/browse/SPARK-20180?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cyril de Vogelaere updated SPARK-20180:
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Description:
Right now, we need to use .setMaxPatternLength() method 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.
was:
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.
> 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
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> Right now, we need to use .setMaxPatternLength() method 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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