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Posted to issues@spark.apache.org by "Yanbo Liang (JIRA)" <ji...@apache.org> on 2017/03/20 10:02:41 UTC
[jira] [Updated] (SPARK-20029) LiR supports bound constrained
optimization
[ https://issues.apache.org/jira/browse/SPARK-20029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yanbo Liang updated SPARK-20029:
--------------------------------
Description:
MLlib {{LinearRegression}} should support bound constrained optimization. Users can add bound constraints to coefficients to make the solver produce solution in the specified range.
In Spark MLlib, we call breeze L-BFGS-B as the solver for bound constrained optimization.
* https://neos-guide.org/content/bound-constrained-optimization
* http://users.iems.northwestern.edu/~nocedal/lbfgsb.html
was:
MLlib {{LinearRegression}} should support bound constrained optimization. Users can add bound constraints to coefficients to make the solver produce solution in the specified range.
In Spark MLlib, we call breeze L-BFGS-B as the solver for bound constrained optimization.
* https://neos-guide.org/content/bound-constrained-optimization
> LiR supports bound constrained optimization
> -------------------------------------------
>
> Key: SPARK-20029
> URL: https://issues.apache.org/jira/browse/SPARK-20029
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.2.0
> Reporter: Yanbo Liang
>
> MLlib {{LinearRegression}} should support bound constrained optimization. Users can add bound constraints to coefficients to make the solver produce solution in the specified range.
> In Spark MLlib, we call breeze L-BFGS-B as the solver for bound constrained optimization.
> * https://neos-guide.org/content/bound-constrained-optimization
> * http://users.iems.northwestern.edu/~nocedal/lbfgsb.html
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