errorbar

Draw points (or a line) with x and/or y error bars.

Matplotlib: Axes.errorbar. Coordinates and error coordinates are forwarded as keyword arguments.

Axes: rectangular (ax).

Coordinates

Key	Required	Meaning
x	yes	x positions
y	yes	y positions
xerr	no	Horizontal error (scalar or per-point)
yerr	no	Vertical error (scalar or per-point)

Style

Key	Type	Purpose
fmt	string	Marker/line format, e.g. "o", "none"
color / ecolor	color	Marker color / error-bar color
capsize	float	Length of the error-bar caps
elinewidth	float	Error-bar line width
markersize / ms	float	Marker size
label	string	Legend label
zorder	number	Draw order

Any other Axes.errorbar keyword is also accepted.

Example

- name: measurement
  data:
    - source: data_points
  axes: ax
  method: errorbar
  coordinates:
    x: {expr: x}
    y: {expr: y}
    yerr: {expr: sigma}
  style:
    fmt: "o"
    color: black
    capsize: 2
    markersize: 3

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See also: Plot Methods index · scatter · fill_between