Chart Card
Charts are a great tool to visually summarize a large amount of data and are the main recommendation when creating Dashboards that aim to directly show a specific analysis context.
Chart Cards can be used to create different types of visualisations, depending on the objective being pursued. To create a chart card, you start with a selection of data fields (as with all other data cards) and the "Visualization" tab is where you select the type of chart.
Currently the types of charts available are:
Line chart
Area Chart
Vertical bar chart
Horizontal bar chart
Stacked vertical bar chart
Stacked horizontal bar chart
Mixed graph of lines and vertical bars
Doughnut chart (donut)
Pie chart
Radar chart
Each type of chart includes additional blocks and settings available. For example, vertical bar charts include the "Dimension" block (associated with the horizontal axis), the "Metrics" block (associated with the vertical axis) and optionally the "Break by" block to distribute the value of a metric among the different values of a dimension.
There are many options to set up a chart, and some of them are particular to each type of chart:
Show legend and in which position (up, right, down or left)
Show pop-up description (tooltip)
Label data values on the chart and in what format
X-axis configuration
Y-axis configuration
As with other cards, each field has its own configuration, in which you can specify details such as:
Field labels
Sort of values
Formats of values
Colours and styles
Options and results that can be achieved in terms of charts, are very broad and open to specific needs or to the imagination of the user.
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