dati Auto.txt

Dati Auto (Auto.xlsx)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
mpg
18.0
15.0
18.0
16.0
17.0
15.0
14.0
14.0
14.0
15.0
15.0
14.0
15.0
14.0
24.0
22.0
18.0
21.0
27.0
26.0
25.0
24.0
25.0
26.0
21.0
10.0
10.0
11.0
cylinders displacement horsepower
8
307.0
130
8
350.0
165
8
318.0
150
8
304.0
150
8
302.0
140
8
429.0
198
8
454.0
220
8
440.0
215
8
455.0
225
8
390.0
190
8
383.0
170
8
340.0
160
8
400.0
150
8
455.0
225
4
113.0
95
6
198.0
95
6
199.0
97
6
200.0
85
4
97.0
88
4
97.0
46
4
110.0
87
4
107.0
90
4
104.0
95
4
121.0
113
6
199.0
90
8
360.0
215
8
307.0
200
8
318.0
210
weight
3504
3693
3436
3433
3449
4341
4354
4312
4425
3850
3563
3609
3761
3086
2372
2833
2774
2587
2130
1835
2672
2430
2375
2234
2648
4615
4376
4382
acceleration
12.0
11.5
11.0
12.0
10.5
10.0
9.0
8.5
10.0
8.5
10.0
8.0
9.5
10.0
15.0
15.5
15.5
16.0
14.5
20.5
17.5
14.5
17.5
12.5
15.0
14.0
15.0
13.5
year
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
origin
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
3
2
2
2
2
2
1
1
1
1
name
chevrolet chevelle malibu
buick skylark 320
plymouth satellite
amc rebel sst
ford torino
ford galaxie 500
chevrolet impala
plymouth fury
pontiac catalina
amc ambassador dpl
dodge challenger se
plymouth 'cuda 340
chevrolet monte carlo
buick estate wagon (sw)
toyota corona mark
plymouth duster
amc hornet
ford maverick
datsun pl510
volkswagen 1131 deluxe sedan
peugeot 504
audi 100 ls
saab 99e
bmw 2002
amc gremlin
ford f250
chevy c20
dodge d200
Dati Auto (Auto.txt)
mpg
cylinders
displacement
horsepower
weight
acceleration
year
origin
name
372
373
29.0
27.0
4
4
135.0
151.0
84
90
2525
2735
16.0
18.0
82
82
1
1
dodge aries se
pontiac phoenix
374
24.0
4
140.0
92
2865
16.4
82
1
ford fairmont futura
375
376
36.0
37.0
4
4
105.0
91.0
74
68
1980
2025
15.3
18.2
82
82
2
3
volkswagen rabbit
mazda glc custom l
377
31.0
4
91.0
68
1970
17.6
82
3
mazda glc custom
378
379
38.0
36.0
4
4
105.0
98.0
63
70
2125
2125
14.7
17.3
82
82
1
1
plymouth horizon miser
mercury lynx l
380
36.0
4
120.0
88
2160
14.5
82
3
nissan stanza xe
381
382
36.0
34.0
4
4
107.0
108.0
75
70
2205
2245
14.5
16.9
82
82
3
3
honda accord
toyota corolla
383
38.0
4
91.0
67
1965
15.0
82
3
honda
384
385
32.0
38.0
4
4
91.0
91.0
67
67
1965
1995
15.7
16.2
82
82
3
3
honda civic (auto)
datsun 310 gx
386
25.0
6
181.0
110
2945
16.4
82
1
buick
387
388
38.0
26.0
6
4
262.0
156.0
85
92
3015
2585
17.0
14.5
82
82
1
1
oldsmobile cutlass ciera
chrysler lebaron medallion
389
22.0
6
232.0
112
2835
14.7
82
1
ford granada l
390
391
32.0
36.0
4
4
144.0
135.0
96
84
2665
2370
13.9
13.0
82
82
3
1
toyota celica gt
dodge charger 2.2
392
27.0
4
151.0
90
2950
17.3
82
1
chevrolet camaro
393
394
27.0
44.0
4
4
140.0
97.0
86
52
2790
2130
15.6
24.6
82
82
1
2
ford mustang gl
vw pickup
395
32.0
4
135.0
84
2295
11.6
82
1
dodge rampage
396
28.0
4
120.0
79
2625
18.6
82
1
ford ranger
397
31.0
4
119.0
82
2720
19.4
82
1
chevy s-10
Diagrammi di Dispersione per coppie di variabili (dati Auto.txt)
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Diagramma di Dispersione: mpg vs horsepower
Diagramma di Dispersione: mpg vs horsepower
e
Retta di Regressione: mpg = 39.94 - 0.16 * horsepower ( R2 = 0.61 )
Diagramma di Dispersione: mpg vs (weight , displacement)
Diagramma di Dispersione: mpg vs (weight , displacement)
e
Piano di Regressione: mpg = 43.78 – 0.006 * weight – 0.016 * displacement ( R2 = 0.70 )
Diagramma di Dispersione: mpg vs (weight , displacement)
e
Piano di Regressione: mpg = 43.78 – 0.006 * weight – 0.016 * displacement ( R2 = 0.70 )