Prepare data for cook's d bar plot.

ols_prep_cdplot_data(model, type = 1)

Arguments

model

An object of class lm.

type

An integer between 1 and 5 selecting one of the 6 methods for computing the threshold.

Examples

model <- lm(mpg ~ disp + hp + wt, data = mtcars) ols_prep_cdplot_data(model)
#> $ckd #> obs cd color fct_color #> Mazda RX4 1 1.152035e-02 normal normal #> Mazda RX4 Wag 2 4.621112e-03 normal normal #> Datsun 710 3 1.598334e-02 normal normal #> Hornet 4 Drive 4 1.283888e-04 normal normal #> Hornet Sportabout 5 1.839055e-03 normal normal #> Valiant 6 1.560119e-02 normal normal #> Duster 360 7 1.053270e-02 normal normal #> Merc 240D 8 1.313511e-02 normal normal #> Merc 230 9 2.525382e-03 normal normal #> Merc 280 10 3.671067e-03 normal normal #> Merc 280C 11 2.606104e-02 normal normal #> Merc 450SE 12 1.551454e-03 normal normal #> Merc 450SL 13 1.049983e-04 normal normal #> Merc 450SLC 14 5.648180e-03 normal normal #> Cadillac Fleetwood 15 7.218880e-05 normal normal #> Lincoln Continental 16 1.298764e-02 normal normal #> Chrysler Imperial 17 3.199707e-01 outlier outlier #> Fiat 128 18 1.196019e-01 normal normal #> Honda Civic 19 9.092102e-03 normal normal #> Toyota Corolla 20 1.529771e-01 outlier outlier #> Toyota Corona 21 2.215865e-02 normal normal #> Dodge Challenger 22 4.218196e-02 normal normal #> AMC Javelin 23 4.909944e-02 normal normal #> Camaro Z28 24 7.181085e-03 normal normal #> Pontiac Firebird 25 6.980693e-02 normal normal #> Fiat X1-9 26 4.163138e-04 normal normal #> Porsche 914-2 27 1.732523e-06 normal normal #> Lotus Europa 28 5.959750e-02 normal normal #> Ford Pantera L 29 7.279943e-03 normal normal #> Ferrari Dino 30 1.100867e-02 normal normal #> Maserati Bora 31 3.402911e-01 outlier outlier #> Volvo 142E 32 8.796726e-03 normal normal #> #> $maxx #> [1] 0.3436941 #> #> $ts #> [1] 0.125 #>