[jira] [Commented] (SPARK-17001) Enable standardScaler to standardize sparse vectors when withMean=True

2016-08-16 Thread Sean Owen (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15422663#comment-15422663 ] Sean Owen commented on SPARK-17001: --- Yes that came up on the thread that prompted this, that

[jira] [Commented] (SPARK-17001) Enable standardScaler to standardize sparse vectors when withMean=True

2016-08-16 Thread Nick Pentreath (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15422633#comment-15422633 ] Nick Pentreath commented on SPARK-17001: Yet another potential option is to have a transformer

[jira] [Commented] (SPARK-17001) Enable standardScaler to standardize sparse vectors when withMean=True

2016-08-16 Thread Nick Pentreath (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15422630#comment-15422630 ] Nick Pentreath commented on SPARK-17001: This approach seems fine - I tend to agree with allowing

[jira] [Commented] (SPARK-17001) Enable standardScaler to standardize sparse vectors when withMean=True

2016-08-16 Thread Nick Pentreath (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15422624#comment-15422624 ] Nick Pentreath commented on SPARK-17001: Note Spark now has a {{MaxAbsScaler}} transformer that

[jira] [Commented] (SPARK-17001) Enable standardScaler to standardize sparse vectors when withMean=True

2016-08-16 Thread Apache Spark (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15422572#comment-15422572 ] Apache Spark commented on SPARK-17001: -- User 'srowen' has created a pull request for this issue:

[jira] [Commented] (SPARK-17001) Enable standardScaler to standardize sparse vectors when withMean=True

2016-08-16 Thread Sean Owen (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15422511#comment-15422511 ] Sean Owen commented on SPARK-17001: --- Yeah, that sounds like how it works now. StandardScaler will

[jira] [Commented] (SPARK-17001) Enable standardScaler to standardize sparse vectors when withMean=True

2016-08-12 Thread Tobi Bosede (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15419592#comment-15419592 ] Tobi Bosede commented on SPARK-17001: - This can be implemented in a similar fashion to scikit learn's