Scatter series objects are created by the scatter or scatter3 functions. A single hggroup element contains as many children as there are points in the scatter plot, with each child representing one of the points. The properties of the stem series are
linewidthThe line width of the line objects of the points. See Line Styles.
markermarkeredgecolormarkerfacecolorThe line and fill color of the markers of the points. See Colors.
xdataydatazdataThe original x, y and z data of the stems.
cdataThe color data for the points of the plot. Each point can have a separate color, or a unique color can be specified.
sizedataThe size data for the points of the plot. Each point can its own size or a unique size can be specified.
xdatasourceydatasourcezdatasourcecdatasourcesizedatasourceData source variables.
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https://octave.org/doc/interpreter/Scatter-Group.html