powered by

As I suppose, an artificial dataset

data(d.diamonds)

A data frame with 440 observations on the following 10 variables.

index

a numeric vector

carat

colour

a factor with levels D E F G H I J K L

D

E

F

G

H

I

J

K

L

clarity

an ordered factor with levels I2 < I1 < SI3 < SI2 < SI1 < VS2 < VS1 < VVS2 < VVS1

I2

I1

SI3

SI2

SI1

VS2

VS1

VVS2

VVS1

cut

an ordered factor with levels F < G < V < X < I

V

X

certification

a factor with levels AGS DOW EGL GIA IGI

AGS

DOW

EGL

GIA

IGI

polish

symmetry

price

wholesaler

a factor with levels A B C

A

B

C

P Poor F Fair G Good V Very good X Excellent I Ideal

data(d.diamonds) str(d.diamonds)

Run the code above in your browser using DataLab