How to use Datama Assess (Light) in Tableau Viz extension


Using Datama Assess as a Tableau Viz extension is a great way to make your report more insightful with the benefits of both.


Here is what you get on this page:

  1. Overview
  2. Features
  3. Installation
  4. Free trial Period
  5. How to use
  6. Read your analysis
  7. Settings
  8. Support and Resources


1. Overview

This document provides detailed documentation for the “Datama Assess” plugin, a powerful extension for Tableau Viz. This plugin enhances data analysis capabilities by computing statistical significance of variations.

Below is a short intro video

2. Features


3. Add the extension into your report

In order to use Datama in your report, you need to add a viz extension using a custom trex file.

Follow these steps to add Datama in your report :

  1. On Tableau Desktop, create worksheet
  2. In the “Marks” block, pull down the selector and choose “Add extension”
  3. Use the .trex file provided by Datama, or download it here
  4. Drag and drop columns into each proper mark type See getting started to learn more
    • Comparison “C” dimension (the dimension on which you want to compare, typically Variant of AB test for instance)
      • Note: By default, Datama will compare the last 2 values for discrete dimensions or split in two the dates dimensions. Makes sure to leverage Tableau parameters or filters to get the right comparison.
    • Metrics “M” fields (the metrics that will be used to create the KPIs you want to assess. Those should be summable. For instance, if you want to assess the significance of user conversion variation, you should add a “User” and a “Purchase” metrics)
      • Datama sets up a relation (product of ratio) among metrics by default.

Please refer to the full documentation to learn more about source structure



4. Get a free trial period

Datama extension in Tableau Viz allows you to benefit from all features.

On top of this, the paid version allows you to

You can get a free trial period of 7 days allowing you to test the full version of the extension by following these steps :

  1. Click on “Trial version” link of Datama footer
  2. Click on “Upgrade”
  3. Create your Datama account
  4. Get your Trial extension with no engagement, and no credit card required
  5. Add the licence key to the the extension by clicking on the “Format extension” button in the Marks pannel

See here our different plans.


5. Getting started

Once you’ve imported the extension, here is how you can use it.

1. Comparison Dimension: Drag and drop the dimension on which you want to compare in the appropriate field. This would typically be a AB test variant column

2. KPIs definition: Drag and drop the metrics you want to monitor in the appropriate field. Make sure that you add summable metrics: Datama will compute ratios based on the market equation that you define in the extension settings

3. Custom settings: Click on the “Settings” icon on the top right corner of Datama’s widget. You can adjust the methodology for comparison explanation and define which metric you want to analyse in the market equation pane

4. Leave edit mode: In the “Format extension” panel (under the marks on the left hand side) untick the “Edit mode” toggle. Dashboard viewers won’t see the top header and footer anymore, for a smoother experience.

6. Read your Analysis

To discover more about how to use Datama Assess, you can read our dedicated section


7. Advanced Usage

Follow this link to get the full view of the extension Settings.

8. Support and Resources

If you require assistance or have any questions, feel free to reach out. We’re here to help! - 📧 Email: Send us an email at contact@Datama.fr for any inquiries or support issues. - 🌐 Contact Form: Prefer to use a form? Fill out our online contact form, and we’ll get back to you promptly.