docs/sources/visualizations/panels-visualizations/visualizations/trend/index.md
Trend visualizations should be used for datasets that have a sequential, numeric x-field that is not time. Some examples are function graphs, rpm/torque curves, supply/demand relationships, and elevation or heart rate plots along a race course (with x as distance or duration from start).
For example, you could represent engine power and torque versus speed where speed is plotted on the x-axis and power and torque are plotted on the y-axes:
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Trend visualizations support all visual styles and options available in the time series visualization with these exceptions:
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In the X field option, select a field that contains increasing numeric values.
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The options under the Graph styles section let you control the general appearance of the graph, excluding color.
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