R language uses LM function to build regression model, uses the augmented function of bloom package to store the model results in dataframe, and uses ggplot2 to visualize the regression residual diagr

R Language use lm Function to build regression model 、 Use broom Bag augmented Function stores the model results in dataframe in 、 Use ggplot2 Visual regression residual diagram （ Relationship between fitting value and residual value ）

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