Re: LinearRegressionModel - Negative Predicted Value

2017-03-06 Thread Manish Maheshwari
egression. > If, generally, your predicted values are far from your actual values, then > your model hasn't fit well. You may have a bug somewhere in your pipeline > or you may have data without much linear relationship. Most of this isn't a > Spark problem. > > On Mon, Mar 6, 2017 a

LinearRegressionModel - Negative Predicted Value

2017-03-06 Thread Manish Maheshwari
Hi All, We are using a LinearRegressionModel in Scala. We are using a standard StandardScaler to normalize the data before modelling.. the Code snippet looks like this - *Modellng - * val labeledPointsRDD = tableRecords.map(row => { val filtered = row.toSeq.filter({ case s: String => false case

SparkR - Support for Other Models

2015-09-09 Thread Manish MAHESHWARI
Hello, Is there a time line to add support for other model types like SVD, Cluster, GBM etc in the subsequent releases. 1.5 Added support for Linear models only. If there is, where can we know the tentative timeline of the same. Thanks, Manish CONFIDENTIAL NOTE: The information contained in