Nevermind. I actually found out that I could change the output to write to the model file from csv to text which actually writes the matrix.
Thanks, On Fri, Aug 25, 2017 at 11:02 AM Federico Wachs < federico.wa...@sqlstream.com> wrote: > Hi all, > > I've been able to follow the steps showed here > <http://apache.github.io/systemml/standalone-guide#training-and-testing-the-model> > and > I want to use the created model from JMLC. > > But when I try to load the model like this: > > > > > > > *String dml = > "/home/fwachs/work/systemml/scripts/algorithms/l2-svm-predict.dml";String > model = "/home/fwachs/Downloads/l2-svm-model.csv";Connection conn = new > Connection();* > > > *PreparedScript pstmt = conn.prepareScript(conn.readScript(dml), new > String[] { "model", "X" }, new String[] { "predicted_y" }, > false);double[][] W = conn.convertToDoubleMatrix(conn.readScript(model), 1, > 1);System.out.println(W);* > > I get the following error: > > 17/08/25 07:01:02 WARN rewrite.RewriteRemovePersistentReadWrite: > Non-registered persistent read of variable 'w' (line 44). > Exception in thread "main" java.io.IOException: Matrix cell [0,0] out of > overall matrix range [1:1,1:1]. > at > org.apache.sysml.runtime.io.ReaderTextCell.readRawTextCellMatrixFromInputStream(ReaderTextCell.java:236) > at > org.apache.sysml.runtime.io.ReaderTextCell.readMatrixFromInputStream(ReaderTextCell.java:90) > at > org.apache.sysml.api.jmlc.Connection.convertToDoubleMatrix(Connection.java:413) > at > org.apache.sysml.api.jmlc.Connection.convertToDoubleMatrix(Connection.java:382) > at > org.apache.sysml.api.jmlc.Connection.convertToDoubleMatrix(Connection.java:368) > at com.sqlstream.plugin.systemml.SystemmlUdx.main(SystemmlUdx.java:65) > Caused by: java.lang.NumberFormatException: For input string: > "-2.0851945931025258" > > It seems the csv generated is not a matrix at all, since it contains the > following content: > > -2.0851945931025258 > 6.006153060967643 > 3.094544228625507 > -0.43162666659496396 > 1.0 > 0 > 0 > 4.0 > > > Any ideas? I am so stuck on this... > > Thanks, > -- > Federico Wachs | sqlstream | +54 911 5748 5048 > -- Federico Wachs | sqlstream | +54 911 5748 5048
