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Posted to issues@spark.apache.org by "Joshua Taylor (JIRA)" <ji...@apache.org> on 2016/01/22 20:19:39 UTC
[jira] [Updated] (SPARK-12965) Indexer setInputCol() doesn't
resolve column names like DataFrame.col()
[ https://issues.apache.org/jira/browse/SPARK-12965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joshua Taylor updated SPARK-12965:
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Attachment: SparkMLDotColumn.java
> Indexer setInputCol() doesn't resolve column names like DataFrame.col()
> -----------------------------------------------------------------------
>
> Key: SPARK-12965
> URL: https://issues.apache.org/jira/browse/SPARK-12965
> Project: Spark
> Issue Type: Bug
> Components: ML, Spark Core
> Affects Versions: 1.6.0
> Reporter: Joshua Taylor
> Attachments: SparkMLDotColumn.java
>
>
> The setInputCol() method doesn't seem to resolve column names in the same way that other methods do. E.g., Given a DataFrame df, {{df.col("`a.b`")}} will return a column. On a StringIndexer indexer, {{indexer.setInputCol("`a.b`")}} produces leads to an indexer where fitting and transforming seem to have no effect.
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