You can use pipelinemodel.stages(0).asInstanceOf[RandomForestModel]. The number (0 in example) for stages depends on the order you call setStages.
Shawn On 23 November 2016 at 10:21, Zhiliang Zhu <zchl.j...@yahoo.com.invalid> wrote: > > Dear All, > > I am building model by spark pipeline, and in the pipeline I used Random > Forest Alg as its stage. > If I just use Random Forest but not make it by way of pipeline, I could > see the information about the forest by API as > rfModel.toDebugString() and rfModel.toString() . > > However, while it comes to pipeline, how to check the alg information, > such as the tree, or the threshold selected by lr etc ... > > Thanks in advance~~ > > zhiliang > > > --------------------------------------------------------------------- > To unsubscribe e-mail: user-unsubscr...@spark.apache.org > >
