##### 15.2.8.5 Error bar series

Error bar series are created by the `errorbar` function. Each `hggroup` element contains two line objects representing the data and the errorbars separately. The properties of the error bar series are

`color`
  The RGB color or color name of the line objects of the error bars. See Colors.
`linewidth`
`linestyle`
  The line width and style of the line objects of the error bars. See Line Styles.
`marker`
`markeredgecolor`
`markerfacecolor`
`markersize`
  The line and fill color of the markers on the error bars. See Colors.
`xdata`
`ydata`
`ldata`
`udata`
`xldata`
`xudata`
  The original x, y, l, u, xl, xu data of the error bars.
`xdatasource`
`ydatasource`
`ldatasource`
`udatasource`
`xldatasource`
`xudatasource`
  Data source variables.