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A live widget is a Standard R output that:
- Is connected to data in a way that means when the data updates, the widget itself updates. For example:
- It is connected to a data source in in the Displayr Cloud Drive.
- It extracts data from some other software via an API.
- It reads data from some updatable data source on the internet.
- It does not read data from elswhere within a document (e.g., it does not read data from a table nor a data set).
- Can be copied and pasted between Displayr documents. This property is a consequence of the first two properties.
Desirable properties of a live widget
A well designed live widget is self-contained, fulfilling all that somebody who needs access to the data needs. To achieve this, a live widget will generally be able to be mutated by its end-users in the following ways:
- By time. For example, changing the start date, end date, and time aggregation.
- Filtering by relevant sub-groups. For example, a widget of sales data would be filterable by sales territory.
- Into each of:
- Raw data
- A summary table
- A visualization
- By being linked to (i.e., a user should be able to use the live widget as an input into other analyses).
- Has attr(x, "ChartData") so that it can be exported as an editable chart in PowerPoint.