display_ease            Display an easing function
tween                   Create simple tweens
tween_along             Interpolate data along a given dimension
tween_appear            Tween a data.frame of appearances
tween_at                Get a specific position between two states
tween_components        Interpolate individual component
tween_elements          Create frames based on individual element
                        states
tween_events            Transition in and out of events
tween_fill              Fill out missing values by interpolation
tween_state             Compose tweening between states
tween_states            Tween a list of data.frames representing states
tweenr-package          tweenr: Interpolate Data for Smooth Animations
