class altair.BinTransform(bin=Undefined, field=Undefined, **kwds)

BinTransform schema wrapper

Mapping(required=[bin, field, as])

binanyOf(boolean, BinParams)

An object indicating bin properties, or simply true for using default bin parameters.


The data field to bin.

asanyOf(FieldName, List(FieldName))

The output fields at which to write the start and end bin values. This can be either a string or an array of strings with two elements denoting the name for the fields for bin start and bin end respectively. If a single string (e.g., "val" ) is provided, the end field will be "val_end".

__init__(bin=Undefined, field=Undefined, **kwds)


__init__([bin, field])

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 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