ui.Chart.image.byRegion

Generates a Chart from an image. Extracts and plots band values in one or more regions in the image, with each band in a separate series.

  - X-axis = Region labeled by xProperty (default: 'system:index')

  - Y-axis = Reducer output.

  - Series = Band name.

Returns a chart.

Usage	Returns
ui.Chart.image.byRegion(image, regions, reducer, scale, xProperty)	ui.Chart

Argument	Type	Details
image	Image	Image to extract band values from.
regions	Feature|FeatureCollection|Geometry|List<Feature>|List<Geometry>, optional	Regions to reduce. Defaults to the image's footprint.
reducer	Reducer, optional	Reducer that generates the value(s) for the y-axis. Must return a single value per band. Defaults to ee.Reducer.mean().
scale	Number, optional	Scale to use with the reducer in meters.
xProperty	String, optional	Property to be used as the label for each Region on the x-axis. Defaults to 'system:index'.