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Apache Spark

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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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Data science Python notebooks: Deep learning (TensorFlow, Theano, Caffe, Keras), scikit-learn, Kaggle, big data (Spark, Hadoop MapReduce, HDFS), matplotlib, pandas, NumPy, SciPy, Python essentials, AWS, and various command lines.

  • Updated May 13, 2021
  • Python
cube.js
chamabreu
chamabreu commented Jun 1, 2021

Describe the bug
If I pass 'Next 7 days' into the dateRange in query, the response is not a range over the next 7 days but only the day IN 7 days.

To Reproduce
Steps to reproduce the behavior:

  1. Build a query like this:
const query: Query = {
    measures: [
      measure
    ],
    timeDimensions: [
      {
        dimension: 'Your.Dimension,
        dateRange: 'Next 7
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  • Java

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  • Updated Dec 23, 2020
  • Python

H2O is an Open Source, Distributed, Fast & Scalable Machine Learning Platform: Deep Learning, Gradient Boosting (GBM) & XGBoost, Random Forest, Generalized Linear Modeling (GLM with Elastic Net), K-Means, PCA, Generalized Additive Models (GAM), RuleFit, Support Vector Machine (SVM), Stacked Ensembles, Automatic Machine Learning (AutoML), etc.

  • Updated Jul 1, 2021
  • Jupyter Notebook
jaceklaskowski
jaceklaskowski commented Jun 15, 2021
  • Delta Lake 1.0.0
  • Spark 3.1.2
  • Scala 2.12
  • AdoptOpenJDK-11.0.11+9 (build 11.0.11+9)

The following code gives a NullPointerException. This is for a directory-based delta table that does not exist and uses a generated column.

import io.delta.tables.DeltaTable
DeltaTable.create
  .addColumn(
    DeltaTable.columnBuilder("value")
      .generatedAlwaysAs("true")
      .nullab
wanshicheng
wanshicheng commented Jun 23, 2021

Used Spark version
Spark Version: 2.4.4
Used Spark Job Server version
SJS version: v0.11.1

Deployed mode
client on Spark Standalone

Actual (wrong) behavior
I can't get config, when post a job with 'sync=true'. I got it:
http://localhost:8090/jobs/ff99479b-e59c-4215-b17d-4058f8d97d25/config
{"status":"ERROR","result":"No such job ID ff99479b-e59c-4215-b17d-4058f8d97d25"

mmlspark
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?

Created by Matei Zaharia

Released May 26, 2014

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

Related Topics

hadoop scala