Compute the initial predictions and errors for a dataset for the first iteration of gradient boosting.
Compute the initial predictions and errors for a dataset for the first iteration of gradient boosting.
a RDD with each element being a zip of the prediction and error corresponding to every sample.
Spark context used for loading model files.
Path specifying the directory to which the model was saved.
Model instance
Update a zipped predictionError RDD (as obtained with computeInitialPredictionAndError)
Update a zipped predictionError RDD (as obtained with computeInitialPredictionAndError)
a RDD with each element being a zip of the prediction and error corresponding to each sample.