altair.JoinAggregateFieldDef#
- class altair.JoinAggregateFieldDef(op=Undefined, field=Undefined, **kwds)#
JoinAggregateFieldDef schema wrapper.
- Parameters:
- op
AggregateOp
, Literal[‘argmax’, ‘argmin’, ‘average’, ‘count’, ‘distinct’, ‘max’, ‘mean’, ‘median’, ‘min’, ‘missing’, ‘product’, ‘q1’, ‘q3’, ‘ci0’, ‘ci1’, ‘stderr’, ‘stdev’, ‘stdevp’, ‘sum’, ‘valid’, ‘values’, ‘variance’, ‘variancep’, ‘exponential’, ‘exponentialb’] The aggregation operation to apply (e.g.,
"sum"
,"average"
or"count"
). See the list of all supported operations here.- fieldstr,
FieldName
The data field for which to compute the aggregate function. This can be omitted for functions that do not operate over a field such as
"count"
.- asstr,
FieldName
The output name for the join aggregate operation.
- op
- __init__(op=Undefined, field=Undefined, **kwds)#
Methods
__init__
([op, field])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.