# ErrorBarItem

class pyqtgraph.ErrorBarItem(**opts)
  __init__(**opts)

    All keyword arguments are passed to setData().

  setData(**opts)

    Update the data in the item. All arguments are optional.

    Valid keyword options are: x, y, height, width, top, bottom, left, right, beam, pen

    > - x and y must be numpy arrays specifying the coordinates of data points.

    > - height, width, top, bottom, left, right, and beam may be numpy arrays, single values, or None to disable. All values should be positive.

    > - top, bottom, left, and right specify the lengths of bars extending in each direction.

    > - If height is specified, it overrides top and bottom.

    > - If width is specified, it overrides left and right.

    > - beam specifies the width of the beam at the end of each bar.

    > - pen may be any single argument accepted by pg.mkPen().

    This method was added in version 0.9.9. For prior versions, use setOpts.