Building Machine Learning Pipelines in PySpark MLlib

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In this Guided Project, you will:

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

1.5 hours
Intermediate
No download needed
Split-screen video
English
Desktop only

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.

Skills you will develop

  • Machine Learning Pipelines

  • hyperparameter tuning

  • PySpark

  • Cross Validation

Learn step-by-step

In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:

  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

How Guided Projects work

Your workspace is a cloud desktop right in your browser, no download required

In a split-screen video, your instructor guides you step-by-step

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Yes, everything you need to complete your Guided Project will be available in a cloud desktop that is available in your browser.

You'll learn by doing through completing tasks in a split-screen environment directly in your browser. On the left side of the screen, you'll complete the task in your workspace. On the right side of the screen, you'll watch an instructor walk you through the project, step-by-step.