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Apache Spark is an open source distributed general-purpose cluster-computing framework. It provides an interface for programming entire clusters with implicit data parallelism and fault tolerance.

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brunocous
brunocous commented Sep 2, 2020

I have a simple regression task (using a LightGBMRegressor) where I want to penalize negative predictions more than positive ones. Is there a way to achieve this with the default regression LightGBM objectives (see https://lightgbm.readthedocs.io/en/latest/Parameters.html)? If not, is it somehow possible to define (many example for default LightGBM model) and pass a custom regression objective?

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hangfei
hangfei commented May 23, 2022

This is reported by Manjunath from Slack channel.
For work_dir: "dbfs:/feathr_getting_started"
The user was running jupyter notebook from windows.
without forward slash('dbfs:/feathr_getting_started') the job configs were coming as '--join-config', 'dbfs:/feathr_getting_started\feature_join.conf'

To fix this, the user need to add foward slash: `work

enhancement good first issue

Created by Matei Zaharia

Released May 26, 2014

Repository
apache/spark
Website
spark.apache.org
Wikipedia
Wikipedia

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