[jira] [Updated] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-27 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-13029: --- Description: This is a bug that appears while fitting a Logistic Regression model with

[jira] [Updated] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-27 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-13029: --- Description: This is a bug that appears while fitting a Logistic Regression model with

[jira] [Updated] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-27 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-13029: --- Description: This is a bug that appears while fitting a Logistic Regression model with

[jira] [Updated] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-26 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-13029: --- Description: This is a bug that appears while fitting a Logistic Regression model with

[jira] [Updated] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-26 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-13029: --- Description: This is a bug that appears while fitting a Logistic Regression model with

[jira] [Updated] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-26 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-13029: --- Description: This is a bug that appears while fitting a Logistic Regression model with

[jira] [Updated] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-26 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-13029: --- Description: This is a bug that appears while fitting a Logistic Regression model with

[jira] [Updated] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-26 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-13029: --- Description: This is a bug that appears while fitting a Logistic Regression model with

[jira] [Created] (SPARK-13029) Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false

2016-01-26 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-13029: -- Summary: Logistic regression returns inaccurate results when there is a column with identical value, and fit_intercept=false Key: SPARK-13029 URL:

[jira] [Created] (SPARK-10336) Setting intercept in the example code of logistic regression is not working

2015-08-28 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-10336: -- Summary: Setting intercept in the example code of logistic regression is not working Key: SPARK-10336 URL: https://issues.apache.org/jira/browse/SPARK-10336 Project:

[jira] [Updated] (SPARK-10336) fitIntercept is a command line option but not set in the LR example program.

2015-08-28 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-10336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-10336: --- Summary: fitIntercept is a command line option but not set in the LR example program. (was: Setting

[jira] [Created] (SPARK-8551) Python example code for elastic net

2015-06-22 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-8551: - Summary: Python example code for elastic net Key: SPARK-8551 URL: https://issues.apache.org/jira/browse/SPARK-8551 Project: Spark Issue Type: New Feature

[jira] [Commented] (SPARK-7555) User guide update for ElasticNet

2015-05-26 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-7555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14560112#comment-14560112 ] Shuo Xiang commented on SPARK-7555: --- [~josephkb] WIP, should be fine. User guide

[jira] [Created] (SPARK-7793) Use getOrElse for getting the threshold of SVM model

2015-05-21 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-7793: - Summary: Use getOrElse for getting the threshold of SVM model Key: SPARK-7793 URL: https://issues.apache.org/jira/browse/SPARK-7793 Project: Spark Issue Type: Bug

[jira] [Commented] (SPARK-7540) PMML correctness check

2015-05-18 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-7540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14548326#comment-14548326 ] Shuo Xiang commented on SPARK-7540: --- Schema and required field verification done using

[jira] [Created] (SPARK-7694) Use getOrElse for getting the threshold of LR model

2015-05-17 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-7694: - Summary: Use getOrElse for getting the threshold of LR model Key: SPARK-7694 URL: https://issues.apache.org/jira/browse/SPARK-7694 Project: Spark Issue Type: Bug

[jira] [Updated] (SPARK-7694) Use getOrElse for getting the threshold of LR model

2015-05-17 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-7694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-7694: -- Description: The toString method of LogisticRegressionModel calls get method on an Option (threshold)

[jira] [Updated] (SPARK-7694) Use getOrElse for getting the threshold of LR model

2015-05-17 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-7694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-7694: -- Description: The toString method of LogisticRegressionModel calls get method on an Option (threshold)

[jira] [Updated] (SPARK-7694) Use getOrElse for getting the threshold of LR model

2015-05-17 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-7694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-7694: -- Description: The toString method of LogisticRegressionModel calls get method on an Option (threshold)

[jira] [Updated] (SPARK-7694) Use getOrElse for getting the threshold of LR model

2015-05-17 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-7694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-7694: -- Description: The toString method of LogisticRegressionModel calls get method on an Option (threshold)

[jira] [Commented] (SPARK-3987) NNLS generates incorrect result

2015-04-05 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14441502#comment-14441502 ] Shuo Xiang commented on SPARK-3987: --- [~mengxr] I think it is done. NNLS generates

[jira] [Updated] (SPARK-5116) Add extractor for SparseVector and DenseVector in MLlib

2015-01-06 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-5116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-5116: -- Description: Add extractor for SparseVector and DenseVector in MLlib to save some code while

[jira] [Updated] (SPARK-5116) Add extractor for SparseVector and DenseVector in MLlib

2015-01-06 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-5116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-5116: -- Description: Add extractor for SparseVector and DenseVector in MLlib to save some code while

[jira] [Created] (SPARK-5116) Add extractor for SparseVector and DenseVector in MLlib

2015-01-06 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-5116: - Summary: Add extractor for SparseVector and DenseVector in MLlib Key: SPARK-5116 URL: https://issues.apache.org/jira/browse/SPARK-5116 Project: Spark Issue Type:

[jira] [Commented] (SPARK-3987) NNLS generates incorrect result

2014-10-31 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14192165#comment-14192165 ] Shuo Xiang commented on SPARK-3987: --- [~debasish83][~mengxr] The condition number for the

[jira] [Commented] (SPARK-3987) NNLS generates incorrect result

2014-10-30 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14191269#comment-14191269 ] Shuo Xiang commented on SPARK-3987: --- [~debasish83] Thanks for the follow up. Wondering

[jira] [Commented] (SPARK-3987) NNLS generates incorrect result

2014-10-27 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14185389#comment-14185389 ] Shuo Xiang commented on SPARK-3987: --- [~debasish83] IMHO, the current implementation of

[jira] [Commented] (SPARK-3987) NNLS generates incorrect result

2014-10-21 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14179316#comment-14179316 ] Shuo Xiang commented on SPARK-3987: --- [~debasish83] Just wondering did you use q2 or -q2

[jira] [Comment Edited] (SPARK-3987) NNLS generates incorrect result

2014-10-21 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14179316#comment-14179316 ] Shuo Xiang edited comment on SPARK-3987 at 10/22/14 4:32 AM: -

[jira] [Issue Comment Deleted] (SPARK-3987) NNLS generates incorrect result

2014-10-21 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3987: -- Comment: was deleted (was: [~debasish83] I'm wondering if P2 and q2 are the **ata** and **atb**

[jira] [Commented] (SPARK-3987) NNLS generates incorrect result

2014-10-21 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14179585#comment-14179585 ] Shuo Xiang commented on SPARK-3987: --- [~debasish83] By using a finer config (change 1e-6

[jira] [Comment Edited] (SPARK-3987) NNLS generates incorrect result

2014-10-21 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14179585#comment-14179585 ] Shuo Xiang edited comment on SPARK-3987 at 10/22/14 5:08 AM: -

[jira] [Comment Edited] (SPARK-3987) NNLS generates incorrect result

2014-10-21 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14179585#comment-14179585 ] Shuo Xiang edited comment on SPARK-3987 at 10/22/14 5:09 AM: -

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

2014-10-10 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3568: -- Description: Include common metrics for ranking algorithms (http://www-nlp.stanford.edu/IR-book/),

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

2014-10-05 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3568: -- Description: Include widely-used metrics for ranking algorithms, including: - Mean Average Precision

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

2014-10-05 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3568: -- Description: Include common metrics for ranking algorithms (http://www-nlp.stanford.edu/IR-book/),

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

2014-10-05 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3568: -- Description: Include common metrics for ranking algorithms(http://www-nlp.stanford.edu/IR-book/),

[jira] [Created] (SPARK-3568) Add metrics for ranking algorithms

2014-09-17 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-3568: - Summary: Add metrics for ranking algorithms Key: SPARK-3568 URL: https://issues.apache.org/jira/browse/SPARK-3568 Project: Spark Issue Type: New Feature

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

2014-09-17 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3568: -- Description: Include widely-used metrics for ranking algorithms, including: - Mean Average Precision

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

2014-09-17 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3568: -- Description: Include widely-used metrics for ranking algorithms, including: - Mean Average Precision

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

2014-09-17 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3568: -- Description: Include widely-used metrics for ranking algorithms, including: - Mean Average Precision

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

2014-09-17 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-3568: -- Description: Include widely-used metrics for ranking algorithms, including: - Mean Average Precision

[jira] [Closed] (SPARK-1543) Add ADMM for solving Lasso (and elastic net) problem

2014-07-29 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-1543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang closed SPARK-1543. - Resolution: Later close at this time for more design discussion Add ADMM for solving Lasso (and

[jira] [Commented] (SPARK-2181) The keys for sorting the columns of Executor page in SparkUI are incorrect

2014-07-07 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14054455#comment-14054455 ] Shuo Xiang commented on SPARK-2181: --- Hi, I've merged the latest version but the column

[jira] [Created] (SPARK-2181) The keys for sorting the columns of Executor page in SparkUI are incorrect

2014-06-18 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-2181: - Summary: The keys for sorting the columns of Executor page in SparkUI are incorrect Key: SPARK-2181 URL: https://issues.apache.org/jira/browse/SPARK-2181 Project: Spark

[jira] [Created] (SPARK-2120) Not fully cached when there is enough memory

2014-06-11 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-2120: - Summary: Not fully cached when there is enough memory Key: SPARK-2120 URL: https://issues.apache.org/jira/browse/SPARK-2120 Project: Spark Issue Type: Bug

[jira] [Created] (SPARK-2121) Not fully cached when there is enough memory

2014-06-11 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-2121: - Summary: Not fully cached when there is enough memory Key: SPARK-2121 URL: https://issues.apache.org/jira/browse/SPARK-2121 Project: Spark Issue Type: Bug

[jira] [Closed] (SPARK-2120) Not fully cached when there is enough memory

2014-06-11 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang closed SPARK-2120. - Resolution: Duplicate Not fully cached when there is enough memory

[jira] [Updated] (SPARK-2085) Apply user-specific regularization instead of uniform regularization in Alternating Least Squares (ALS)

2014-06-09 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-2085: -- Description: The current implementation of ALS takes a single regularization parameter and apply it

[jira] [Created] (SPARK-2085) Apply user-specific regularization instead of uniform regularization in Alternating Least Squares (ALS)

2014-06-09 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-2085: - Summary: Apply user-specific regularization instead of uniform regularization in Alternating Least Squares (ALS) Key: SPARK-2085 URL: https://issues.apache.org/jira/browse/SPARK-2085

[jira] [Updated] (SPARK-2085) Apply user-specific regularization instead of uniform regularization in Alternating Least Squares (ALS)

2014-06-09 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-2085: -- Description: The current implementation of ALS takes a single regularization parameter and apply it

[jira] [Commented] (SPARK-1977) mutable.BitSet in ALS not serializable with KryoSerializer

2014-06-04 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-1977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14018328#comment-14018328 ] Shuo Xiang commented on SPARK-1977: --- Hi [~neville], I just run the MovieLens example on

[jira] [Updated] (SPARK-1543) Add ADMM for solving Lasso (and elastic net) problem

2014-04-21 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-1543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-1543: -- Description: This PR introduces the Alternating Direction Method of Multipliers (ADMM) for solving

[jira] [Created] (SPARK-1542) Add ADMM for solving Lasso (and elastic net) problem

2014-04-20 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-1542: - Summary: Add ADMM for solving Lasso (and elastic net) problem Key: SPARK-1542 URL: https://issues.apache.org/jira/browse/SPARK-1542 Project: Spark Issue Type: New

[jira] [Created] (SPARK-1543) Add ADMM for solving Lasso (and elastic net) problem

2014-04-20 Thread Shuo Xiang (JIRA)
Shuo Xiang created SPARK-1543: - Summary: Add ADMM for solving Lasso (and elastic net) problem Key: SPARK-1543 URL: https://issues.apache.org/jira/browse/SPARK-1543 Project: Spark Issue Type: New

[jira] [Updated] (SPARK-1543) Add ADMM for solving Lasso (and elastic net) problem

2014-04-20 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-1543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang updated SPARK-1543: -- Description: This PR introduces the Alternating Direction Method of Multipliers (ADMM) for solving

[jira] [Closed] (SPARK-1542) Add ADMM for solving Lasso (and elastic net) problem

2014-04-20 Thread Shuo Xiang (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shuo Xiang closed SPARK-1542. - Resolution: Duplicate Duplicate with SPARK-1543 by mistake. Add ADMM for solving Lasso (and elastic