altair.FlattenTransform#
- class altair.FlattenTransform(flatten=Undefined, **kwds)#
FlattenTransform schema wrapper
Mapping(required=[flatten])
- Parameters:
- flattenList(
FieldName
) An array of one or more data fields containing arrays to flatten. If multiple fields are specified, their array values should have a parallel structure, ideally with the same length. If the lengths of parallel arrays do not match, the longest array will be used with
null
values added for missing entries.- asList(
FieldName
) The output field names for extracted array values.
Default value: The field name of the corresponding array field
- flattenList(
- __init__(flatten=Undefined, **kwds)#
Methods
__init__
([flatten])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