Facets Interview Questions

Facets are the visualization tool that discovers the models from a large number of datasets. The Facet is an open-source tool used to train the datasets by using the concepts of machine learning techniques. Facets use two robust visualizations known as Facets Overview and Facets Dive to interpret and analyze the machine learning datasets.

In this article, you can go through the set of Facets interview questions most frequently asked in the interview panel. And these lists will help you crack the interview as the topmost industry experts curate these at HKR training.

Let us have a quick review of the Facets of interview questions.

Most Frequently Asked Power BI Interview Questions

Basic Facets Interview Questions and Answers

1. What is the Facet Visualization tool?

Ans: Facet is an open-source visualization tool used to understand and analyze the machine learning datasets by comparing the training datasets and test sets for model debugging.

2. Name the use cases for using the Facet Visualization tools.

Ans: Use Cases are

  • To view the number of images and variation in each labeled class.
  • To display the scatter plots for the shape of icons and object bounding box sizes.
  • Spotting anomalies.
  • Checking the image labels for the correctness.
  • To visualize the comparison of train and test sets.

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3. How does the Facet overview help the users?

Ans: The Facet overview helps the users visualize the distribution of values and its properties in the datasets.

4. Why do the users use facet Dive?

Ans: The Facet Dive provides the users with custom interfaces through which they can able to find the relationship among the data points and can control the color, position to visualize the data points representation based on its characteristic values.

5. What are the options available for running the Facets Dive?

Ans: There are many options available to run the Facets Dive such as

  1. Jupyter Notebook.
  2. Google Colab.
  3. Facets demo website.
6. Name the dependencies used in the HTML file used by Facets.

Ans: The HTML file has two dependencies.

  1. Facets Dive javascript library.
  2. webcomponents.jar.
7. What is the data limit and loading speed while using Facets?

Ans: Facets Dive can handle the data upto 10,000 records, and there is no limit for loading speed for large memory data files, the user should have the patience to wait until the file opens.

8. Can you display the datasets having millions of images?

Ans: Probably not. You can randomly select subsets of samples from the dataset.

9. Can you display high-resolution images?

 Ans: It depends on the size of the sprite atlas that you generate and read into Facets Dive. You could display only fewer high-resolution images depending on the PC's memory and browser capabilities.

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Intermediate Facets Interview Questions and Answers

10. What is sprite atlas?

Ans: A sprite atlas is a big image that contains many small images at predictable coordinates. The sprite coordinates start from the top-left corner of the image and proceed across and down from left-to-right and top-to-bottom.


11. Name any two properties of sprites in the visualization?


  1. spriteImageWidth - Rendering the width of sprite backing image in pixels.
  2. spriteImageHeight - Rendering the height of sprite backing image in pixels.
12. What are atlasUrl and spriteUrl?

Ans: atlasUrl - It is the URL of an atlas image that is used for backing sprites. Each sprite is mapped with the index of a data array to a rectangle of an atlas image.

spriteUrl - It is the URl of an image, the default sprite image used for backing sprites. Each sprite has the same image.

13. What are the stylistic properties?

Ans: It is an optional property which controls the elements with stylistic aspects of FacetDive.

14. Name two stylistic properties used by Facet?


  1. itemPositioningVerticalLabelColor - It is used in labeling the color for item positioning in the vertical direction.
  2. itemPositioningHorizontalLabelColor - It is used in labeling the color for item positioning in the horizontal direction.
15. What is Facets Atlasmaker?

Ans: The Facets Atlasmaker is a command-line utility and library used to create the sprite atlases.

16. What are the functionalities of Atlasmaker?

Ans: The functionalities of Atlasmaker are

  • To read the input image files from URL and local file.
  • Using default image file during unsuccessful conversion or retrieval of images in atlas.
  • Image resizing and conversion.
  • Parallelization of image fetch/conversion.
17. What are the four Facet Dive controls?

Ans: The four Dive controls are 

  • Faceting controls - which lays the records out in a grid information.
  • Positioning controls - arranges the items in each cell grid by stacking them to place it in a scatter plot.
  • Color controls - enables to specify the color for individual items.
  • Display controls - lets you specify the dive to render on each point.
18. Name the data properties of FacetsDive polymer.

Ans: The FacetsDive visualizations has two properties

  1. data - Array<{}> - An array of data objects to visualize.
  2. filteredDataIndicies - number[] - An array of indices into data object array.
19. What are the interactive properties?

Ans: The properties that drive the interactivity of FacetDive are the interactive properties controlled by the user.

Advanced Facets Interview Questions and Answers

20. Name any four interactive properties in FacetDive.


  1. vertical Facet - Name of the field of the data to facet vertically.
  2. vertical bucket - Number of buckets to use when faceting vertically.
  3. horizontalFacet - Name of the area of the data to facet horizontally.
  4. horizontal bucket - Number of buckets to use when faceting horizontally.


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21. Which attribute is used to position the items in grid cells?

Ans: The interactive "position mode" attribute used in positioning items within a grid cell with stacked and scatter choices.

22. Which attribute is used to generate the data-specific color palette?

Ans: The "palette choice" attribute is used to generate the data-specific color palette with the four values standard, warm, cool and assist.

23. How can you position the items along the axis with Facet interactions?

Ans: The "vertical position" and "horizontal position" are the two attributes.

  1. vertical position - is used to position the items along the vertical axis.
  2. horizontal position - is used to position the items along the horizontal axis.
24. What are the things that an overview tool displays after uploading the data?

Ans: The overview tool displays the following four things:

  1. Statistics of data - This includes statistics of Min, Max, Median, and Standard Deviation.
  2. Missing values - The number of rows which has no data.
  3. Zero values - what percentage of data is zero.
  4. Train/test split - A plot which displays the dataset split between training and testing data.

25. What is a Seaborn FacetGrid?

Ans: The Seaborn FacetGrid is a class that helps in visualizing the distribution of one variable and the relationship between multiple variables separately. FacetGrid object considers the data frame as input and names the variables that form a row, column, and hue dimensions.

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26. Name any two methods that are used by Seaborn FacetGrid.


  1. facet_axis (self,row_i,col_j) - Make the axis identified by these indices active and return it.
  2. facet_data (self) - Generator for name indices and data subsets for each Facet.
27. What Seaborn FacetGrid map method does?

 Ans: The Seaborn FacetGrid.map() method applies the plotting function to each Facet's subset of data.

28. Name the parameters of Seaborn FacetGrid map method.

Ans: The parameters include

  1. func - A plotting function which takes data and arguments.
  2. args - The column names in self.data which identifies variable with data to plot. 
  3. Kwargs - The keyword arguments which are passed to the plotting function.

Syntax: FacetGrid.map(self, func, *args, **kwargs)

29. What are Facets in Health Care systems?

Ans: The Facets is mainly developed for Health Care systems for providing advanced care management capabilities. The Facets platform automates data points in training the healthcare datasets to produce better outcomes through visualizations.

30. What are the Trizetto Facets?

Ans: Trizetto Facets are the number of functionalities that assist in managing an application group's business operations. The Trizetto Facets includes the business rules which process the client/server systems.

31) What are the modules available in the facet tool?

The facet tool offers a number of modules. They are providers, members or subscribers, billing, medical, networX, etc.

32) How is real-time processing accomplished by Facets?

A data streaming platform is used by the event-driven "Facets Data Publishing" architecture. The system has the ability to publish data that is created by suppliers, claimants, and subscribers in real-time. Clients can consume or publish data using real-time or batch procedures.

33) What technologies are used to build the Facets tool?

The 'ARCSS' stack, that creates extremely responsive single-page apps, is the foundation upon which the Facets modules are built.

34) How may a claim be saved?

The F4 button in the Facets tool allows us to save a claim.

35) How long can a claim be pending?

The F5 button allows us to make a claim pending in the Facets tool.

36) What is the need for pending a claim?

A claim can be put on hold if the payment is not what was expected.

37) What fields are available in the claim screen?

Following are the fields that are available in a claim screen:

  • Subscriber id
  • Provider id
  • Diagnosis code
  • Date of service
  • Revenue code
  • Procedure code
  • Number of units
  • Unit price

38) How do revenue codes and process codes differ from one another?

  • A revenue code may only be used for hospital claims. The cost of the revenue codes is determined by the revenue codes.
  • Procedure codes are only applicable to medical claims. Medical claim pricing is based on the procedure codes.

39)What are the essential fields for processing a claim?

The following are the essential fields for processing a claim:

  • Number of units
  • amount
  • Provider number 
  • Subscriber number
  • date of submission
  • date of service

40) How will facets work?

The Workflow of Facets is an automated system that improves the essential business processes and will automate the manual function by simplifying the delivery of work to the users. By lowering errors and paperwork, boosting efficiency, and raising customer satisfaction, facets can save your time and money.

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41) What are Facets insights?

The Facets insights feature is supported by machine learning models. It is applied to determine a member's likelihood of leaving the plan. Additionally, it might offer a solution to the customer service representative handling that member.

42) Are facets compatible with other systems?

The Facets tool can better blend with other systems through the use of the REST-based APIs. In order to expose functionality and data, RESTful interfaces are employed.

43) What do you mean by facets extension?

Facet enables teams to roll out features without utilising engineering resources. By separating feature management from development resources with the facet addon, your team has total control over the product delivery procedure.

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As a Senior Writer for HKR Trainings, Sai Manikanth has a great understanding of today’s data-driven environment, which includes key aspects such as Business Intelligence and data management. He manages the task of creating great content in the areas of Digital Marketing, Content Management, Project Management & Methodologies, Product Lifecycle Management Tools. Connect with him on LinkedIn and Twitter.