altair.FlattenTransform

class altair.FlattenTransform(flatten=Undefined, **kwds)

FlattenTransform schema wrapper.

Parameters:

flattenSequence[str, 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.

asSequence[str, FieldName]

The output field names for extracted array values.

Default value: The field name of the corresponding array field

__init__(flatten=Undefined, **kwds)

Methods

__init__([flatten])
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.