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Use Visualizations and Tables That Aren't Also Calculations

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Some visualizations and tables are, in the Displayr internals, calculations. This article discusses how: 

Outputs that are based on calculations are slower

The Visualization below was created by clicking Visualization 26UI_Visualization.png > Bar > Small Multiples Bar from the toolbar. In Displayr's internals, this Visualization has been created as a calculation. The Inputs & Outputs 26UI_DependencyGraph.png below show that it takes 1.34 seconds to compute. In reality, it can sometimes be slower. This is because it uses more resources on your browser, and the browser time isn't included in the Inputs & Outputs.

The Visualization below was created using Visualization 26UI_Visualization.png > Bar > Bar Crosstab. In Displayr's internals, this Visualization has not been created as a calculation. It takes 0 seconds to compute. And it will be less affected by browser slowness.  

How to identify which tables and visualizations are calculations

The most accurate way of determining if a table or Visualization is a calculation is to:

  1. Create the Visualization.
  2. Select the output and go to the Properties26UI_ObjectInspector.png > Data > Attributes. If you can see the Code button, then the Visualization is a calculation. 

However, two shortcuts are:

  • Typically, if there are two visualizations with similar names, for example, Bar and Bar with Tests, the one that says with Tests is not a calculation, but the one that doesn't say with Tests is a calculation. 
  • If you can click on an output (e.g., table) and modify things that you click on (e.g., data cell), rather than having to perform all modifications in the Properties26UI_ObjectInspector.png, it's typically not a calculation.

Advantages of visualizations that are calculations

Visualizations are popular despite their slowness, as they are more:

  • Customizable.
  • They are likely to have hover effects, making them better for dashboards.
  • Prettier. 

The future - we are deprecating visualizations that are calculations

We are currently replacing calculation-based visualizations with visualizations that are:

  • Superfast.
  • Can be modified by clicking on them.
  • Are heavily customizable.
  • Are pretty.

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