Building Machine Learning Pipelines in PySpark MLlib

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在此指导项目中,您将:

Learn how to create a Random Forest pipeline in PySpark

Learn how to choose best model parameters using Cross Validation and Hyperparameter tuning in PySpark

Learn how to create predictions and assess model's performance in PySpark

Clock1.5 hours
Intermediate中级
Cloud无需下载
Video分屏视频
Comment Dots英语(English)
Laptop仅限桌面

By the end of this project, you will learn how to create machine learning pipelines using Python and Spark, free, open-source programs that you can download. You will learn how to load your dataset in Spark and learn how to perform basic cleaning techniques such as removing columns with high missing values and removing rows with missing values. You will then create a machine learning pipeline with a random forest regression model. You will use cross validation and parameter tuning to select the best model from the pipeline. Lastly, you will evaluate your model’s performance using various metrics. A pipeline in Spark combines multiple execution steps in the order of their execution. So rather than executing the steps individually, one can put them in a pipeline to streamline the machine learning process. You can save this pipeline, share it with your colleagues, and load it back again effortlessly. Note: You should have a Gmail account which you will use to sign into Google Colab. Note: This course works best for learners who are based in the North America region. We’re currently working on providing the same experience in other regions.

您要培养的技能

Machine Learning Pipelineshyperparameter tuningPySparkCross Validation

分步进行学习

在与您的工作区一起在分屏中播放的视频中,您的授课教师将指导您完成每个步骤:

  1. Install Spark on Google Colab and load a dataset in PySpark

  2. Describe and clean your dataset

  3. Create a Random Forest pipeline to predict car prices

  4. Create a cross validator for hyperparameter tuning

  5. Train your model and predict test set car prices

  6. Evaluate your model’s performance via several metrics

指导项目工作原理

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