Hi Egor Pahomov, thanks for your suggestions. I think I will do the dirty workaround because I don't want to maintain my own version of spark for now. Maybe I will do later when I feel ready to contribute to the project.
Kind Regards, Niklas Wilcke On 25.09.2014 16:27, Egor Pahomov wrote: > I agree with Yu, that you should tell more about your intentions, but > possible dirty workaround is create wrapper class for LabeledPoint with all > additional information you need and unwrap values before train, and wrap > them again after. (look at zipWithIndex - it helps match back additional > information after unwrapping) > > But I would rather patch my spark with method signature chagnes you > suggested. > > 2014-09-25 18:22 GMT+04:00 Egor Pahomov <pahomov.e...@gmail.com>: > >> @Yu Ishikawa, >> >> *I think the right place for such discussion - >> https://issues.apache.org/jira/browse/SPARK-3573 >> <https://issues.apache.org/jira/browse/SPARK-3573>* >> >> >> 2014-09-25 18:02 GMT+04:00 Yu Ishikawa <yuu.ishikawa+sp...@gmail.com>: >> >>> Hi Niklas Wilcke, >>> >>> As you said, it is difficult to extend LabeledPoint class in >>> mllib.regression. >>> Do you want to extend LabeledPoint class in order to use any other type >>> exclude Double type? >>> If you have your code on Github, could you show us it? I want to know what >>> you want to do. >>> >>>> Community >>> By the way, I think LabeledPoint class is very useful exclude >>> mllib.regression package. >>> Especially, some estimation algorithms should use a type for the labels >>> exclude Double type, >>> such as String type. The common generics labeled-point class would be >>> useful >>> in MLlib. >>> I'd like to get your thoughts on it. >>> >>> For example, >>> ``` >>> abstract class LabeledPoint[T](label: T, features: Vector) >>> ``` >>> >>> thanks >>> >>> >>> >>> >>> >>> >>> ----- >>> -- Yu Ishikawa >>> -- >>> View this message in context: >>> http://apache-spark-developers-list.1001551.n3.nabble.com/MLlib-enable-extension-of-the-LabeledPoint-class-tp8546p8549.html >>> Sent from the Apache Spark Developers List mailing list archive at >>> Nabble.com. >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: dev-unsubscr...@spark.apache.org >>> For additional commands, e-mail: dev-h...@spark.apache.org >>> >>> >> >> -- >> >> >> >> *Sincerely yoursEgor PakhomovScala Developer, Yandex* >> > > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@spark.apache.org For additional commands, e-mail: dev-h...@spark.apache.org
