Research Guide

Research Guide

Boolean

boolean

engine shape

vs

Engine shape: 0 = V-shaped, 1 = straight (inline)

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 2 (6.2%)

PREVIEW:

0 · 1

CATEGORY LABELS:

0 1
0 (V-shaped) 1 (straight)

boolean

transmission

am

Transmission: 0 = automatic, 1 = manual

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 2 (6.2%)

PREVIEW:

0 · 1

CATEGORY LABELS:

0 1
0 (automatic) 1 (manual)

Categorical

categorical

manufacturer

make

Car manufacturer, split from the mtcars row names

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 22 (68.8%)

PREVIEW:

Merc · Fiat · Hornet · Mazda · Toyota · AMC · Cadillac · Camaro · Chrysler · Datsun
Dodge · Duster · Ferrari · Ford · Honda · Lincoln · Lotus · Maserati · Pontiac
Porsche · Valiant · Volvo

FACTOR LEVELS:

Frequency (%) Label
7 (21.9%) Merc
2 (6.2%) Fiat
2 (6.2%) Hornet
2 (6.2%) Mazda
2 (6.2%) Toyota
1 (3.1%) AMC
1 (3.1%) Cadillac
1 (3.1%) Camaro
1 (3.1%) Chrysler
1 (3.1%) Datsun
1 (3.1%) Dodge
1 (3.1%) Duster
1 (3.1%) Ferrari
1 (3.1%) Ford
1 (3.1%) Honda
1 (3.1%) Lincoln
1 (3.1%) Lotus
1 (3.1%) Maserati
1 (3.1%) Pontiac
1 (3.1%) Porsche
1 (3.1%) Valiant
1 (3.1%) Volvo

Numeric

number · measurement

miles per gallon

mpg

Fuel economy in miles per (US) gallon

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 25 (78.1%)

PREVIEW:

10.4 · 15.2 · 19.2 · 21 · 21.4 · 22.8 · 30.4 · 13.3 · 14.3 · 14.7 · 15 · 15.5 · 15.8
16.4 · 17.3 · 17.8 · 18.1 · 18.7 · 19.7 · 21.5 · 24.4 · 26 · 27.3 · 32.4 · 33.9

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
10.4 12 15.43 19.2 20.09 22.8 31.3 33.9

DISTRIBUTION SHAPE:

stat num interpretation
Skew 0.61 MED
Kurtosis -0.37 LOW

number · rank

cylinders

cyl

Number of engine cylinders

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 3 (9.4%)

PREVIEW:

8 · 4 · 6

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
4 4 4 6 6.19 8 8 8

DISTRIBUTION SHAPE:

stat num interpretation
Skew -0.17 LOW
Kurtosis -1.76 MED

number · measurement

displacement (cu. in.)

disp

Engine displacement in cubic inches

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 27 (84.4%)

PREVIEW:

275.8 · 160 · 167.6 · 360 · 71.1 · 75.7 · 78.7 · 79 · 95.1 · 108 · 120.1 · 120.3
121 · 140.8 · 145 · 146.7 · 225 · 258 · 301 · 304 · 318 · 350 · 351 · 400 · 440
460 · 472

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
71.1 77.35 120.83 196.3 230.72 326 449 472

DISTRIBUTION SHAPE:

stat num interpretation
Skew 0.38 LOW
Kurtosis -1.21 MED

number · count

gross horsepower

hp

Gross horsepower

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 22 (68.8%)

PREVIEW:

110 · 175 · 180 · 66 · 123 · 150 · 245 · 52 · 62 · 65 · 91 · 93 · 95 · 97 · 105
109 · 113 · 205 · 215 · 230 · 264 · 335

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
52 63.65 96.5 123 146.69 180 253.55 335

DISTRIBUTION SHAPE:

stat num interpretation
Skew 0.73 MED
Kurtosis -0.14 LOW

number · measurement

rear axle ratio

drat

Rear axle ratio

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 22 (68.8%)

PREVIEW:

3.07 · 3.92 · 2.76 · 3.08 · 3.15 · 3.9 · 4.08 · 4.22 · 2.93 · 3 · 3.21 · 3.23 · 3.54
3.62 · 3.69 · 3.7 · 3.73 · 3.77 · 3.85 · 4.11 · 4.43 · 4.93

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
2.76 2.85 3.08 3.7 3.6 3.92 4.31 4.93

DISTRIBUTION SHAPE:

stat num interpretation
Skew 0.27 LOW
Kurtosis -0.71 LOW

number · measurement

weight (1,000 lbs)

wt

Vehicle weight in thousands of pounds

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 29 (90.6%)

PREVIEW:

3.44 · 3.57 · 1.513 · 1.615 · 1.835 · 1.935 · 2.14 · 2.2 · 2.32 · 2.465 · 2.62
2.77 · 2.78 · 2.875 · 3.15 · 3.17 · 3.19 · 3.215 · 3.435 · 3.46 · 3.52 · 3.73 · 3.78
3.84 · 3.845 · 4.07 · 5.25 · 5.345 · 5.424

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
1.51 1.74 2.58 3.33 3.22 3.61 5.29 5.42

DISTRIBUTION SHAPE:

stat num interpretation
Skew 0.42 LOW
Kurtosis -0.02 LOW

number · measurement

quarter-mile time (sec)

qsec

Fastest quarter-mile time from a standing start, in seconds

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 30 (93.8%)

PREVIEW:

17.02 · 18.9 · 14.5 · 14.6 · 15.41 · 15.5 · 15.84 · 16.46 · 16.7 · 16.87 · 16.9
17.05 · 17.3 · 17.4 · 17.42 · 17.6 · 17.82 · 17.98 · 18 · 18.3 · 18.52 · 18.6
18.61 · 19.44 · 19.47 · 19.9 · 20 · 20.01 · 20.22 · 22.9

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
14.5 15.05 16.89 17.71 17.85 18.9 20.1 22.9

DISTRIBUTION SHAPE:

stat num interpretation
Skew 0.37 LOW
Kurtosis 0.34 LOW

number · rank

forward gears

gear

Number of forward gears

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 3 (9.4%)

PREVIEW:

3 · 4 · 5

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
3 3 3 4 3.69 4 5 5

DISTRIBUTION SHAPE:

stat num interpretation
Skew 0.53 MED
Kurtosis -1.07 MED

number

carburetors

carb

Number of carburetors

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 6 (18.8%)

PREVIEW:

2 · 4 · 1 · 3 · 6 · 8

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
1 1 2 2 2.81 4 4.9 8

DISTRIBUTION SHAPE:

stat num interpretation
Skew 1.05 HIGH
Kurtosis 1.26 MED

Identifier

identifier

model

Car model, split from the mtcars row names

PROPERTIES:

STAT VAL PER
Rows 32
Distinct 32 (100.0%)
Missing/Empty 1 (3.1%)

MOST COMMON VALUES:

Value Frequency (%)
128 1 (3.1%)
142E 1 (3.1%)
230 1 (3.1%)
240D 1 (3.1%)
280 1 (3.1%)
280C 1 (3.1%)

PREVIEW:

128 · 142E · 230 · 240D · 280 · 280C · 360 · 4 Drive · 450SE · 450SL · 450SLC · 710
914-2 · Bora · Challenger · Civic · Continental · Corolla · Corona · Dino · Europa
Firebird · Fleetwood · Imperial · Javelin · Pantera L · RX4 · RX4 Wag · Sportabout
X1-9 · Z28