I have written the below report in 10 mins :)

Dataset

Here I will do a pretty fast report on mtcars which is:

Table continues below
  mpg cyl disp hp drat wt qsec vs am
Mazda RX4 21 6 160 110 3.9 2.62 16.46 0 1
Mazda RX4 Wag 21 6 160 110 3.9 2.875 17.02 0 1
Datsun 710 22.8 4 108 93 3.85 2.32 18.61 1 1
Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0
Hornet Sportabout 18.7 8 360 175 3.15 3.44 17.02 0 0
Valiant 18.1 6 225 105 2.76 3.46 20.22 1 0
Duster 360 14.3 8 360 245 3.21 3.57 15.84 0 0
Merc 240D 24.4 4 146.7 62 3.69 3.19 20 1 0
Merc 230 22.8 4 140.8 95 3.92 3.15 22.9 1 0
Merc 280 19.2 6 167.6 123 3.92 3.44 18.3 1 0
Merc 280C 17.8 6 167.6 123 3.92 3.44 18.9 1 0
Merc 450SE 16.4 8 275.8 180 3.07 4.07 17.4 0 0
Merc 450SL 17.3 8 275.8 180 3.07 3.73 17.6 0 0
Merc 450SLC 15.2 8 275.8 180 3.07 3.78 18 0 0
Cadillac Fleetwood 10.4 8 472 205 2.93 5.25 17.98 0 0
Lincoln Continental 10.4 8 460 215 3 5.424 17.82 0 0
Chrysler Imperial 14.7 8 440 230 3.23 5.345 17.42 0 0
Fiat 128 32.4 4 78.7 66 4.08 2.2 19.47 1 1
Honda Civic 30.4 4 75.7 52 4.93 1.615 18.52 1 1
Toyota Corolla 33.9 4 71.1 65 4.22 1.835 19.9 1 1
Toyota Corona 21.5 4 120.1 97 3.7 2.465 20.01 1 0
Dodge Challenger 15.5 8 318 150 2.76 3.52 16.87 0 0
AMC Javelin 15.2 8 304 150 3.15 3.435 17.3 0 0
Camaro Z28 13.3 8 350 245 3.73 3.84 15.41 0 0
Pontiac Firebird 19.2 8 400 175 3.08 3.845 17.05 0 0
Fiat X1-9 27.3 4 79 66 4.08 1.935 18.9 1 1
Porsche 914-2 26 4 120.3 91 4.43 2.14 16.7 0 1
Lotus Europa 30.4 4 95.1 113 3.77 1.513 16.9 1 1
Ford Pantera L 15.8 8 351 264 4.22 3.17 14.5 0 1
Ferrari Dino 19.7 6 145 175 3.62 2.77 15.5 0 1
Maserati Bora 15 8 301 335 3.54 3.57 14.6 0 1
Volvo 142E 21.4 4 121 109 4.11 2.78 18.6 1 1
  gear carb
Mazda RX4 4 4
Mazda RX4 Wag 4 4
Datsun 710 4 1
Hornet 4 Drive 3 1
Hornet Sportabout 3 2
Valiant 3 1
Duster 360 3 4
Merc 240D 4 2
Merc 230 4 2
Merc 280 4 4
Merc 280C 4 4
Merc 450SE 3 3
Merc 450SL 3 3
Merc 450SLC 3 3
Cadillac Fleetwood 3 4
Lincoln Continental 3 4
Chrysler Imperial 3 4
Fiat 128 4 1
Honda Civic 4 2
Toyota Corolla 4 1
Toyota Corona 3 1
Dodge Challenger 3 2
AMC Javelin 3 2
Camaro Z28 3 4
Pontiac Firebird 3 2
Fiat X1-9 4 1
Porsche 914-2 5 2
Lotus Europa 5 2
Ford Pantera L 5 4
Ferrari Dino 5 6
Maserati Bora 5 8
Volvo 142E 4 2

Descriptives

  Average Median Standard.deviation Variance
mpg 20.09 19.2 6.027 36.32
cyl 6.188 6 1.786 3.19
disp 230.7 196.3 123.9 15361
hp 146.7 123 68.56 4701
drat 3.597 3.695 0.5347 0.2859
wt 3.217 3.325 0.9785 0.9574
qsec 17.85 17.71 1.787 3.193
vs 0.4375 0 0.504 0.254
am 0.4062 0 0.499 0.249
gear 3.688 4 0.7378 0.5444
carb 2.812 2 1.615 2.609

In details

mpg

We found the folloing values here:

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

The mean of mpg is 20.09 while the standard deviation is: 6.027. The most frequent value in mpg is 10.4, but let us check out the frequency table too:

Table continues below
10.4 13.3 14.3 14.7 15 15.2 15.5 15.8 16.4 17.3 17.8
2 1 1 1 1 2 1 1 1 1 1
Table continues below
18.1 18.7 19.2 19.7 21 21.4 21.5 22.8 24.4 26 27.3 30.4
1 1 2 1 2 2 1 2 1 1 1 2
32.4 33.9
1 1

Tables are boring, let us show the same with a histogram:

cyl

We found the folloing values here:

6, 6, 4, 6, 8, 6, 8, 4, 4, 6, 6, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 8, 8, 8, 8, 4, 4, 4, 8, 6, 8 and 4

The mean of cyl is 6.188 while the standard deviation is: 1.786. The most frequent value in cyl is 8, but let us check out the frequency table too:

4 6 8
11 7 14

Tables are boring, let us show the same with a histogram:

disp

We found the folloing values here:

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

The mean of disp is 230.7 while the standard deviation is: 123.9. The most frequent value in disp is 275.8, but let us check out the frequency table too:

Table continues below
71.1 75.7 78.7 79 95.1 108 120.1 120.3 121 140.8 145
1 1 1 1 1 1 1 1 1 1 1
Table continues below
146.7 160 167.6 225 258 275.8 301 304 318 350 351 360
1 2 2 1 1 3 1 1 1 1 1 2
400 440 460 472
1 1 1 1

Tables are boring, let us show the same with a histogram:

hp

We found the folloing values here:

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

The mean of hp is 146.7 while the standard deviation is: 68.56. The most frequent value in hp is 110, but let us check out the frequency table too:

Table continues below
52 62 65 66 91 93 95 97 105 109 110 113 123 150
1 1 1 2 1 1 1 1 1 1 3 1 2 2
175 180 205 215 230 245 264 335
3 3 1 1 1 2 1 1

Tables are boring, let us show the same with a histogram:

drat

We found the folloing values here:

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

The mean of drat is 3.597 while the standard deviation is: 0.5347. The most frequent value in drat is 3.07, but let us check out the frequency table too:

Table continues below
2.76 2.93 3 3.07 3.08 3.15 3.21 3.23 3.54 3.62 3.69 3.7
2 1 1 3 2 2 1 1 1 1 1 1
3.73 3.77 3.85 3.9 3.92 4.08 4.11 4.22 4.43 4.93
1 1 1 2 3 2 1 2 1 1

Tables are boring, let us show the same with a histogram:

wt

We found the folloing values here:

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

The mean of wt is 3.217 while the standard deviation is: 0.9785. The most frequent value in wt is 3.44, but let us check out the frequency table too:

Table continues below
1.513 1.615 1.835 1.935 2.14 2.2 2.32 2.465 2.62 2.77 2.78
1 1 1 1 1 1 1 1 1 1 1
Table continues below
2.875 3.15 3.17 3.19 3.215 3.435 3.44 3.46 3.52 3.57 3.73
1 1 1 1 1 1 3 1 1 2 1
3.78 3.84 3.845 4.07 5.25 5.345 5.424
1 1 1 1 1 1 1

Tables are boring, let us show the same with a histogram:

qsec

We found the folloing values here:

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

The mean of qsec is 17.85 while the standard deviation is: 1.787. The most frequent value in qsec is 17.02, but let us check out the frequency table too:

Table continues below
14.5 14.6 15.41 15.5 15.84 16.46 16.7 16.87 16.9 17.02
1 1 1 1 1 1 1 1 1 2
Table continues below
17.05 17.3 17.4 17.42 17.6 17.82 17.98 18 18.3 18.52 18.6
1 1 1 1 1 1 1 1 1 1 1
18.61 18.9 19.44 19.47 19.9 20 20.01 20.22 22.9
1 2 1 1 1 1 1 1 1

Tables are boring, let us show the same with a histogram:

vs

We found the folloing values here:

0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0 and 1

The mean of vs is 0.4375 while the standard deviation is: 0.504. The most frequent value in vs is 0, but let us check out the frequency table too:

0 1
18 14

Tables are boring, let us show the same with a histogram:

am

We found the folloing values here:

1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1 and 1

The mean of am is 0.4062 while the standard deviation is: 0.499. The most frequent value in am is 0, but let us check out the frequency table too:

0 1
19 13

Tables are boring, let us show the same with a histogram:

gear

We found the folloing values here:

4, 4, 4, 3, 3, 3, 3, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 4, 4, 4, 3, 3, 3, 3, 3, 4, 5, 5, 5, 5, 5 and 4

The mean of gear is 3.688 while the standard deviation is: 0.7378. The most frequent value in gear is 3, but let us check out the frequency table too:

3 4 5
15 12 5

Tables are boring, let us show the same with a histogram:

carb

We found the folloing values here:

4, 4, 1, 1, 2, 1, 4, 2, 2, 4, 4, 3, 3, 3, 4, 4, 4, 1, 2, 1, 1, 2, 2, 4, 2, 1, 2, 2, 4, 6, 8 and 2

The mean of carb is 2.812 while the standard deviation is: 1.615. The most frequent value in carb is 2, but let us check out the frequency table too:

1 2 3 4 6 8
7 10 3 10 1 1

Tables are boring, let us show the same with a histogram:

Correlation

And here goes a correlation table:

Table continues below
  mpg cyl disp hp drat wt qsec vs
mpg 1 -0.8522 -0.8476 -0.7762 0.6812 -0.8677 0.4187 0.664
cyl -0.8522 1 0.902 0.8324 -0.6999 0.7825 -0.5912 -0.8108
disp -0.8476 0.902 1 0.7909 -0.7102 0.888 -0.4337 -0.7104
hp -0.7762 0.8324 0.7909 1 -0.4488 0.6587 -0.7082 -0.7231
drat 0.6812 -0.6999 -0.7102 -0.4488 1 -0.7124 0.0912 0.4403
wt -0.8677 0.7825 0.888 0.6587 -0.7124 1 -0.1747 -0.5549
qsec 0.4187 -0.5912 -0.4337 -0.7082 0.0912 -0.1747 1 0.7445
vs 0.664 -0.8108 -0.7104 -0.7231 0.4403 -0.5549 0.7445 1
am 0.5998 -0.5226 -0.5912 -0.2432 0.7127 -0.6925 -0.2299 0.1683
gear 0.4803 -0.4927 -0.5556 -0.1257 0.6996 -0.5833 -0.2127 0.206
carb -0.5509 0.527 0.395 0.7498 -0.09079 0.4276 -0.6562 -0.5696
  am gear carb
mpg 0.5998 0.4803 -0.5509
cyl -0.5226 -0.4927 0.527
disp -0.5912 -0.5556 0.395
hp -0.2432 -0.1257 0.7498
drat 0.7127 0.6996 -0.09079
wt -0.6925 -0.5833 0.4276
qsec -0.2299 -0.2127 -0.6562
vs 0.1683 0.206 -0.5696
am 1 0.7941 0.05753
gear 0.7941 1 0.2741
carb 0.05753 0.2741 1

And the same on a graph:

Yeah, that latter took a while to render in an image file :)

That's not a pander issue.

Some models

Okay, let us find out how weight affects other variables:

mpg

A simple linear model: mtcars$wt ~ mtcars$mpg

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 6.047 0.3087 19.59 1.204e-18
Independent -0.1409 0.01474 -9.559 1.294e-10

cyl

A simple linear model: mtcars$wt ~ mtcars$cyl

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 0.5646 0.4006 1.409 0.169
Independent 0.4287 0.06228 6.883 1.218e-07

disp

A simple linear model: mtcars$wt ~ mtcars$disp

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 1.6 0.173 9.248 2.738e-10
Independent 0.00701 0.0006629 10.58 1.222e-11

hp

A simple linear model: mtcars$wt ~ mtcars$hp

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 1.838 0.3165 5.808 2.389e-06
Independent 0.009401 0.00196 4.796 4.146e-05

drat

A simple linear model: mtcars$wt ~ mtcars$drat

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 7.906 0.8522 9.277 2.547e-10
Independent -1.304 0.2345 -5.561 4.784e-06

qsec

A simple linear model: mtcars$wt ~ mtcars$qsec

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 4.925 1.765 2.79 0.009081
Independent -0.09567 0.09843 -0.9719 0.3389

vs

A simple linear model: mtcars$wt ~ mtcars$vs

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 3.689 0.195 18.91 3.203e-18
Independent -1.077 0.2949 -3.654 0.0009798

am

A simple linear model: mtcars$wt ~ mtcars$am

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 3.769 0.1646 22.89 1.49e-20
Independent -1.358 0.2583 -5.258 1.125e-05

gear

A simple linear model: mtcars$wt ~ mtcars$gear

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 6.07 0.7392 8.212 3.632e-09
Independent -0.7735 0.1967 -3.933 0.0004587

carb

A simple linear model: mtcars$wt ~ mtcars$carb

Fitting linear model: mtcars$wt ~ Independent
  Estimate Std. Error t value Pr(>|t|)
(Intercept) 2.489 0.323 7.705 1.353e-08
Independent 0.259 0.09998 2.591 0.01464

Design: Rapporter Team © 2011-2014 | Backend: pander | License: AGPL3 or OSL | Styled with skeleton