Create entry on using IQR to find possible outliers in R

Need your ASSIGNMENT done? Use our paper writing service to score better and meet your deadlines.


Order a Similar Paper Order a Different Paper

the tutor said on his email ((Here you may use your simulated data, and the dataset mtcars in R.

Choose 1 variable for weeks 6 and 7: start with mpg for example.

Multiple variable case;))


—————————————————————-

https://cran.r-project.org/web/packages/olsrr/vignettes/influence_measures.html

mtcars is already in R and can be analysed to get stand residuals to compare to -2 or 2

> head(mtcars)

mpg cyl disp hp drat wt qsec vs am gear carb

Mazda RX4 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4

Mazda RX4 Wag 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4

Datsun 710 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1

Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1

Hornet Sportabout 18.7 8 360 175 3.15 3.440 17.02 0 0 3 2

Valiant 18.1 6 225 105 2.76 3.460 20.22 1 0 3 1

> attach(mtcars)

The following objects are masked from mtcars (pos = 3):

am, carb, cyl, disp, drat, gear, hp, mpg, qsec, vs, wt

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

> rstandard(model)

Mazda RX4 Mazda RX4 Wag Datsun 710 Hornet 4 Drive Hornet Sportabout

-0.65456638 -0.29166549 -0.99109408 -0.13160093 0.11349120

Valiant Duster 360 Merc 240D Merc 230 Merc 280

-1.17577132 -0.65302963 0.67692139 -0.55672545 -0.15727964

Merc 280C Merc 450SE Merc 450SL Merc 450SLC Cadillac Fleetwood

-0.85551938 0.39697897 0.08190899 -0.73669070 0.02236813

Lincoln Continental Chrysler Imperial Fiat 128 Honda Civic Toyota Corolla

0.49793369 2.40096631 2.24888836 0.49755516 2.15282871

Toyota Corona Dodge Challenger AMC Javelin Camaro Z28 Pontiac Firebird

-1.57150088 -1.14579414 -1.47989966 -0.43415180 1.06927128

Fiat X1-9 Porsche 914-2 Lotus Europa Ford Pantera L Ferrari Dino

-0.14990597 0.34115026 1.12804819 -0.35739634 -0.17986946

Maserati Bora Volvo 142E

0.90881167 -0.60647195

# 3 outliers in red

>

 > plot(rstandard(model))

—————————–———————————————–


I attached my previos proposal

"Is this question part of your assignment? We can help"

ORDER NOW
Writerbay.net

Need help with an assignment? We work for the best interests of our clients. We maintain professionalism and offer brilliant writing services in most of the fields ranging from nursing, philosophy, psychology, biology, finance, accounting, criminal justice, mathematics, computer science, among others.

Get a 15% discount on your order using the following coupon code SAVE15


Order a Similar Paper Order a Different Paper