altair.Expr

class altair.Expr(*args)

Expr schema wrapper

string

__init__(*args)

Methods

__init__(*args, **kwargs)

Initialize self.

copy

copy(*args) Returns a copy (a new cloned instance) of the named scale transform of projection, or undefined if no scale or projection is found. The optional _group_ argument takes a scenegraph group mark item to indicate the specific scope in which to look up the scale or projection.