R language ggplot2 visualization: gganimate package is based on Transition_ The time function creates a dynamic scatter graph animation (GIF), and uses the labs function to add a dynamic time title to

R Language ggplot2 visualization ：gganimate Package based on transition_time Function to create dynamic scatter animation (gif)、 Use labs Function to add a dynamic time title to an animation graph （ extract frame_time Information ）

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