altair.AggregateTransform#
- class altair.AggregateTransform(aggregate=Undefined, groupby=Undefined, **kwds)#
AggregateTransform schema wrapper.
- Parameters:
- aggregateSequence[dict,
AggregatedFieldDef] Array of objects that define fields to aggregate.
- groupbySequence[str,
FieldName] The data fields to group by. If not specified, a single group containing all data objects will be used.
- aggregateSequence[dict,
- __init__(aggregate=Undefined, groupby=Undefined, **kwds)#
Methods
__init__([aggregate, groupby])copy([deep, ignore])Return a copy of the object.
from_dict(dct[, validate])Construct class from a dictionary representation.
from_json(json_string[, validate])Instantiate the object from a valid JSON string.
resolve_references([schema])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, indent, sort_keys, ...])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.