class altair.ErrorBarConfig(extent=Undefined, rule=Undefined, size=Undefined, thickness=Undefined, ticks=Undefined, **kwds)

ErrorBarConfig schema wrapper



The extent of the rule. Available options include: - “ci”: Extend the rule to the confidence interval of the mean. - “stderr”: The size of rule are set to the value of standard error, extending from the mean. - “stdev”: The size of rule are set to the value of standard deviation, extending from the mean. - “iqr”: Extend the rule to the q1 and q3.

Default value: "stderr".

ruleanyOf(boolean, MarkConfigExprOrSignalRef)

Size of the ticks of an error bar


Thickness of the ticks and the bar of an error bar

ticksanyOf(boolean, MarkConfigExprOrSignalRef)
__init__(extent=Undefined, rule=Undefined, size=Undefined, thickness=Undefined, ticks=Undefined, **kwds)


__init__([extent, rule, size, thickness, ticks])

copy([deep, ignore])

Return a copy of the object

from_dict(dct[, validate, _wrapper_classes])

Construct class from a dictionary representation

from_json(json_string[, validate])

Instantiate the object from a valid JSON string


Resolve references in the context of this object's schema or root schema.

to_dict([validate, ignore, context])

Return a dictionary representation of the object

to_json([validate, ignore, context, indent, ...])

Emit the JSON representation for this object as a string.

validate(instance[, schema])

Validate the instance against the class schema in the context of the rootschema.

validate_property(name, value[, schema])

Validate a property against property schema in the context of the rootschema