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Using Vertex Vizier to Optimize Multiple Objectives

Lab 2 hours universal_currency_alt 5 Credits show_chart Advanced
info This lab may incorporate AI tools to support your learning.
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Overview

In this lab, you will use Vertex Vizier to perform multi-objective optimization. Multi-objective optimization is concerned with mathematical optimization problems involving more than one objective function to be optimized simultaneously.

Objectives

The goal is to minimize the objective metric:

  • y1 = r*sin(theta)

and simultaneously maximize the objective metric:

  • y2 = r*cos(theta)

that you will evaluate over the parameter space:

  • r in [0,1],
  • theta in [0, pi/2]

Setup and requirements

For each lab, you get a new Google Cloud project and set of resources for a fixed time at no cost.

  1. Sign in to Google Skills using an incognito window.

  2. Note the lab's access time (for example, 1:15:00), and make sure you can finish within that time.
    There is no pause feature. You can restart if needed, but you have to start at the beginning.

  3. When ready, click Start lab.

  4. Note your lab credentials (Username and Password). You will use them to sign in to the Google Cloud Console.

  5. Click Open Google Console.

  6. Click Use another account and copy/paste credentials for this lab into the prompts.
    If you use other credentials, you'll receive errors or incur charges.

  7. Accept the terms and skip the recovery resource page.

Set up your environment

Enable the Vertex AI API

Navigate to the Vertex AI section of your Google Cloud Console, and click Enable Vertex AI API.

Enable the Notebooks API

  1. In the Google Cloud Console, on the Navigation menu, click APIs & Services > Library.
  2. Search for Notebooks API and press Enter. Click on the Notebooks API result.
  3. If the API is not enabled, you will see the Enable button. Click Enable.

Task 1. Launch Vertex AI Notebooks instance

  1. In the Google Cloud Console, on the Navigation Menu, click Vertex AI > Workbench. Select User-Managed Notebooks.

  2. On the Notebook instances page, Click Create New and choose the latest version of TensorFlow Enterprise 2.6 (with LTS) in Environment.

  3. In the New notebook instance dialog, confirm the name of the deep learning VM, if you don’t want to change the region and zone, leave all settings as they are and then click Create. The new VM will take 2-3 minutes to start.

  4. Click Open JupyterLab.
    A JupyterLab window will open in a new tab.

Task 2. Clone course repo within your Vertex AI Notebooks instance

The GitHub repo contains both the lab file and solutions files for the course.

  1. Copy and run the following code in the first cell of your notebook to clone the training-data-analyst repository.
!git clone https://github.com/GoogleCloudPlatform/training-data-analyst

Clone raining-data-analyst Repo

  1. Confirm that you have cloned the repository. Double-click on the training-data-analyst directory and ensure that you can see its contents.

confirm training-data-analyst repo

Task 3. Use Vertex Vizier to optimize multiple objectives

  1. In the notebook interface, navigate to training-data-analyst > courses > machine_learning > deepdive2 > machine_learning_in_the_enterprise > labs, and open gapic-vizier-multi-objective-optimization.ipynb.

  2. In the notebook interface, click Edit > Clear All Outputs.

  3. Carefully read through the notebook instructions and fill in lines marked with #TODO where you need to complete the code.

Tip: To run the current cell, click the cell and press SHIFT+ENTER . Other cell commands are listed in the notebook UI under Run.

  • Hints may also be provided for the tasks to guide you along. Highlight the text to read the hints (they are in white text).
  • If you need more help, look at the complete solution at training-data-analyst > courses > machine_learning > deepdive2 > machine_learning_in_the_enterprise > solutions, and open gapic-vizier-multi-objective-optimization.ipynb.

End your lab

When you have completed your lab, click End Lab. Google Skills removes the resources you’ve used and cleans the account for you.

You will be given an opportunity to rate the lab experience. Select the applicable number of stars, type a comment, and then click Submit.

The number of stars indicates the following:

  • 1 star = Very dissatisfied
  • 2 stars = Dissatisfied
  • 3 stars = Neutral
  • 4 stars = Satisfied
  • 5 stars = Very satisfied

You can close the dialog box if you don't want to provide feedback.

For feedback, suggestions, or corrections, please use the Support tab.

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Before you begin

  1. Labs create a Google Cloud project and resources for a fixed time
  2. Labs have a time limit and no pause feature. If you end the lab, you'll have to restart from the beginning.
  3. On the top left of your screen, click Start lab to begin

Use private browsing

  1. Copy the provided Username and Password for the lab
  2. Click Open console in private mode

Sign in to the Console

  1. Sign in using your lab credentials. Using other credentials might cause errors or incur charges.
  2. Accept the terms, and skip the recovery resource page
  3. Don't click End lab unless you've finished the lab or want to restart it, as it will clear your work and remove the project

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Confirm to end all existing labs and start this one

Use private browsing to run the lab

Using an Incognito or private browser window is the best way to run this lab. This prevents any conflicts between your personal account and the Student account, which may cause extra charges incurred to your personal account.