Residuals versus time
## `geom_smooth()` using formula 'y ~ x'
## `geom_smooth()` using formula 'y ~ x'
## `geom_smooth()` using formula 'y ~ x'
## `geom_smooth()` using formula 'y ~ x'
Residuals versus PRED
## `geom_smooth()` using formula 'y ~ x'
## `geom_smooth()` using formula 'y ~ x'
## `geom_smooth()` using formula 'y ~ x'
Residual histogram
## `stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
Residual QQ plot
Residuals versus categorical variable
Residuals versus continuous variables
## `geom_smooth()` using formula 'y ~ x'