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Looker Data Explorer - Qwik Start

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Looker Data Explorer - Qwik Start

1 hour Free

GSP718

Google Cloud self-paced labs logo

Overview

Looker is a modern data platform in Google Cloud that lets you analyze and visualize your data interactively. You can use Looker to do in-depth data analysis, integrate insights across different data sources, build actionable data-driven workflows, and create custom data applications. With Looker and Google Cloud, you can deliver actionable business insights at the point of decision, create new value streams, and infuse data into products and workflows to move the business forward.

In this lab, you learn how to use Looker to visualize data using Explores, which are data views created by Looker developers. For this lab, an Explore of the Federal Aviation Administration's (FAA) Airport data has been created for you. This dataset contains information on different attributes of airports such as city, date of commission, facility type, etc.

Learn more about creating Explores in the Looker documentation.

What you'll learn

In this lab, you learn how to visualize data in Looker using Explores.

  • Use the Explore interface to access data published by LookML developers.

  • Work with Dimensions and Measures to query and select data.

  • Select the appropriate visualization type to best display your data.

  • Save an Explore query to a dashboard.

Setup and requirements

Before you click the Start Lab button

Read these instructions. Labs are timed and you cannot pause them. The timer, which starts when you click Start Lab, shows how long Google Cloud resources will be made available to you.

This hands-on lab lets you do the lab activities yourself in a real cloud environment, not in a simulation or demo environment. It does so by giving you new, temporary credentials that you use to sign in and access Google Cloud for the duration of the lab.

To complete this lab, you need:

  • Access to a standard internet browser (Chrome browser recommended).
Note: Use an Incognito or private browser window 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.
  • Time to complete the lab---remember, once you start, you cannot pause a lab.
Note: If you already have your own personal Google Cloud account or project, do not use it for this lab to avoid extra charges to your account.

How to start your lab and sign in to Looker

  1. When ready, click Start Lab button.

    A new panel will appear with the temporary credentials that you must use for this lab.

    If you need to pay for the lab, a pop-up will open for you to select your payment method.

  2. Note your lab credentials in the left pane. You will use them to sign in to the Looker instance for this lab.

    Note: If you use other credentials, you will get errors or incur charges.
  3. Click Open Looker.

  4. Enter the provided Username and Password in the Email and Password fields.

    Important: You must use the credentials from the Connection Details panel on this page. Do not use your Google Cloud Skills Boost credentials. If you have your own Looker account, do not use it for this lab.
  5. Click Log In.

    After a successful login, you will see the Looker instance for this lab.

Task 1. Visualize your first Measure

Looker Measures are an aggregation of one or more dimensions (or unique attributes of the data). Measures let you calculate your Key Performance Indicators (KPIs) and help you analyze your data using different attributes.

In the Airports Explore, you will determine the average elevation across all airport facilities and show that number as a single value visualization.

  1. In the Looker navigation menu, click Explore.

  2. Under FAA, click Airports.

    The available dimensions and measures will be listed in the data panel for Airports.

  3. Under Airports > Measures, click Average elevation.

  4. Click Run.

  5. Click the arrow next to Visualization to expand the window.

    Once the Visualization window has expanded, you can hover your cursor over the icons to identify the available options.

  6. Click the Single value icon.

    This option creates a single value visualization that you can customize. You can also make the chart larger by collapsing the data window.

  7. Click on the settings gear icon (settings gear icon) for Visualization.

  8. Click Edit > Style.

  9. Under Style, click on Value color, and select your choice of color.

  10. Under Style, enable Show title, and provide a title in Title override box.

  11. Click on the gear icon for Visualization to close the settings.

  12. Click on the settings gear icon (settings gear icon) next to Run, and select Save > To an existing dashboard.

  13. Enter a title for the visualization: Average elevation.

  14. Click New Dashboard.

  15. Enter a title for the new dashboard: Airports/Flights.

  16. Click OK.

  17. Click Save to Dashboard.

Click Check my progress to verify the objective. Create a dashboard

Task 2. Visualize dimensions and measures

Dimensions are unique attributes of the data that helps you describe the data. For example, in the Airports explore, the location of the airport, city, elevation levels, etc., are different dimensions. You can use both Dimensions and Measures in Looker to slice and dice your data to achieve data insights.

Next, identify the top 5 Facility Types with the highest average elevation and display the results as a bar chart. You will show the total number of airport facilities by Facility Type in the same chart.

  1. On the Looker navigation menu, click Explore.

  2. Under FAA, click Airports.

    The available dimensions and measures will be listed in the data panel for Airports.

  3. Under Airports > Dimensions, click Facility type.

  4. Under Airports > Measures, click Average Elevation.

  5. Under Airports > Measures, click Count.

  6. On the Data tab, change Row limit to 5.

  7. Click Run.

  8. Click the arrow next to Visualization to expand the window.

    Once the Visualization window has expanded, you can hover your cursor over the icons to identify the available options.

  9. Click the Bar icon.

    This option creates a horizontal bar visualization that you can customize. You can also make the chart larger by collapsing the data window.

  10. Click on the settings gear icon (settings gear icon) for Visualization.

  11. Click Values.

  12. Under Values, enable Value labels.

  13. Click Y.

  14. Under Y, click on Airports and drag it under Top Axes.

    Average elevation will remain under Bottom Axes.

  15. Under Configure axes > Top 1, enter an Axis name: Count

  16. Click on the gear icon for Visualization to close the settings.

  17. Click on settings gear icon (settings gear icon) next to Run, and select Save > To an existing dashboard.

  18. Enter a title for the visualization: Average elevation by facility type.

  19. Select the dashboard you previously created: Airports/Flights.

  20. Click Save to Dashboard.

Click Check my progress below to check your lab progress.

Visualize Dimensions and Measures

Congratulations!

You learned how to use Looker to visualize data using Explores, which are data views created by Looker developers.

Next steps / Learn More

Learn more about creating Explores in the Looker documentation

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Manual Last Updated October 12, 2022

Lab Last Tested October 12, 2022

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