altair.AggregateTransform#

class altair.AggregateTransform(aggregate=Undefined, groupby=Undefined, **kwds)#

AggregateTransform schema wrapper

Mapping(required=[aggregate])

Attributes
aggregateList(AggregatedFieldDef)

Array of objects that define fields to aggregate.

groupbyList(FieldName)

The data fields to group by. If not specified, a single group containing all data objects will be used.

__init__(aggregate=Undefined, groupby=Undefined, **kwds)#

Methods

__init__([aggregate, groupby])

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([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, 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