ols_plot_resid_fit_spread: Residual fit spread plot
In cmlopera/olsrr: Tools for Building OLS Regression Models

Description Usage Arguments Details Deprecated Function References Examples

Plot to detect non-linearity, influential observations and outliers.

ols_plot_resid_fit_spread(model)

ols_plot_fm(model)

ols_plot_resid_spread(model)

model

An object of class lm.

Consists of side-by-side quantile plots of the centered fit and the residuals. It shows how much variation in the data is explained by the fit and how much remains in the residuals. For inappropriate models, the spread of the residuals in such a plot is often greater than the spread of the centered fit.

ols_rfs_plot(), ols_fm_plot() and ols_rsd_plot() has been deprecated. Instead use ols_plot_resid_fit_spread(), ols_plot_fm() and ols_plot_resid_spread().

Cleveland, W. S. (1993). Visualizing Data. Summit, NJ: Hobart Press.

# model
model <- lm(mpg ~ disp + hp + wt, data = mtcars)

# residual fit spread plot
ols_plot_resid_fit_spread(model)

# fit mean plot
ols_plot_fm(model)

# residual spread plot
ols_plot_resid_spread(model)