Bootstrap

set.seed(45)
samp_mean <- function(x,i){
  mean(x[i])}

BS<-boot(data$total_goal_count,samp_mean, 100)
plot(BS)

## BOOTSTRAP CONFIDENCE INTERVAL CALCULATIONS

boot.ci(BS,type = "perc")
## BOOTSTRAP CONFIDENCE INTERVAL CALCULATIONS
## Based on 100 bootstrap replicates
## 
## CALL : 
## boot.ci(boot.out = BS, type = "perc")
## 
## Intervals : 
## Level     Percentile     
## 95%   ( 2.634,  2.982 )  
## Calculations and Intervals on Original Scale
## Some percentile intervals may be unstable

Hypothesis test comparing the mean to a fixed value. I will also be stating my null and alternative hypothesis.

t.test

H0:μ=1 HA:μ≠1

t.test(data$total_goal_count, mu = 1)
## 
##  One Sample t-test
## 
## data:  data$total_goal_count
## t = 22.169, df = 379, p-value < 2.2e-16
## alternative hypothesis: true mean is not equal to 1
## 95 percent confidence interval:
##  2.659534 2.982571
## sample estimates:
## mean of x 
##  2.821053

\[ t = \frac{\mu-\overline x}{SE} \]

BS$t0
## [1] 2.821053

P Value

SE<-sd(BS$t)
c(BS$t0-2*SE,BS$t0+2*SE)
## [1] 2.661710 2.980395

Confidence Intervals

t=(3-BS$t0)/SE
pt(t,100)
## [1] 0.9865504

The mean of result.

mean(0 == BS$t)
## [1] 0
mean(1<=BS$t)
## [1] 1

Since the mean of 1<=BS$t it is 0 and the inference in correct statistical terms.

Non-Parametric Statistics

data$total_goal_count[is.na(data$total_goal_count)] <- 0
data$total_goal_count
##   [1] 3 3 2 2 3 2 4 4 0 2 0 3 2 4 3 5 4 7 5 2 2 4 4 0 3 1 3 6 3 3 3 4 2 2 2 1 3
##  [38] 5 2 3 3 6 5 1 3 3 3 1 4 4 2 4 5 0 4 3 2 3 0 2 4 2 3 2 2 2 2 2 3 3 1 2 1 3
##  [75] 1 4 5 6 3 0 4 0 6 5 1 1 2 1 2 4 1 3 5 0 3 2 4 4 3 1 3 1 4 1 6 2 5 7 4 1 3
## [112] 2 0 3 2 1 2 0 2 4 2 1 5 0 3 4 4 3 2 3 3 2 3 2 4 3 4 2 6 1 3 4 4 3 4 2 3 2
## [149] 4 4 4 1 1 1 5 5 2 2 3 4 4 1 1 1 5 2 2 3 5 4 2 4 2 1 4 5 0 2 6 8 2 6 0 3 4
## [186] 4 5 2 3 3 1 1 1 4 2 6 1 2 4 5 1 5 3 0 3 4 2 6 2 3 1 1 3 0 3 3 3 2 1 3 7 2
## [223] 7 3 3 3 0 2 3 3 3 6 1 3 4 3 4 2 2 3 1 0 2 5 2 4 2 1 4 2 2 3 2 3 3 3 1 4 4
## [260] 6 2 6 4 3 2 2 5 2 0 3 1 3 2 6 2 4 2 5 1 2 1 1 4 5 2 2 3 3 0 3 2 2 4 5 3 4
## [297] 6 2 2 4 3 7 3 2 2 1 2 2 2 3 2 3 3 2 5 3 3 2 2 4 4 5 1 1 2 1 4 5 2 2 4 3 4
## [334] 2 1 2 1 1 3 4 0 4 4 5 2 4 2 1 4 2 5 1 0 1 6 3 2 3 1 2 2 1 3 1 5 5 3 2 2 1
## [371] 5 4 8 4 0 2 2 2 4 5
samp_mean <- function(x, i){
  mean(x[i])
}

BS1<-boot(data$total_goal_count,samp_mean, R = 10000)
plot(BS1)

boot.ci(BS1, type =  "perc")
## BOOTSTRAP CONFIDENCE INTERVAL CALCULATIONS
## Based on 10000 bootstrap replicates
## 
## CALL : 
## boot.ci(boot.out = BS1, type = "perc")
## 
## Intervals : 
## Level     Percentile     
## 95%   ( 2.661,  2.987 )  
## Calculations and Intervals on Original Scale
min(3<=BS1$t)
## [1] 0

CV or Cross Validation

library(caret)
## Loading required package: lattice
## 
## Attaching package: 'lattice'
## The following object is masked from 'package:boot':
## 
##     melanoma
## Loading required package: ggplot2
library(lattice)
library(boot)
library(ggplot2)

data$total_goal_count[is.na(data$total_goals_at_half_time)] <- 0
data$total_goals_at_half_time[is.na(data$total_goals_at_half_time)] <- 0

CV <- createDataPartition(data$total_goals_at_half_time, p=0.66,list = FALSE)
CV
##        Resample1
##   [1,]         2
##   [2,]         3
##   [3,]         4
##   [4,]         5
##   [5,]         6
##   [6,]         8
##   [7,]         9
##   [8,]        12
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##  [20,]        32
##  [21,]        33
##  [22,]        35
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##  [25,]        39
##  [26,]        40
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##  [28,]        44
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##  [31,]        47
##  [32,]        50
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hw <- data[CV,]
HW <- data[CV,]
HW
##                  date_GMT         referee total_goal_count
## 2   Aug 11 2018 - 11:30am Martin Atkinson                3
## 3    Aug 11 2018 - 2:00pm    Kevin Friend                2
## 4    Aug 11 2018 - 2:00pm       Mike Dean                2
## 5    Aug 11 2018 - 2:00pm  Chris Kavanagh                3
## 6    Aug 11 2018 - 2:00pm   Jonathan Moss                2
## 8   Aug 12 2018 - 12:30pm  Anthony Taylor                4
## 9   Aug 12 2018 - 12:30pm    Graham Scott                0
## 12   Aug 18 2018 - 2:00pm       Lee Mason                3
## 14   Aug 18 2018 - 2:00pm  Anthony Taylor                4
## 15   Aug 18 2018 - 2:00pm  Stuart Attwell                3
## 16   Aug 18 2018 - 4:30pm Martin Atkinson                5
## 18  Aug 19 2018 - 12:30pm  Andre Marriner                7
## 19   Aug 19 2018 - 3:00pm    Kevin Friend                5
## 20   Aug 20 2018 - 7:00pm  Michael Oliver                2
## 21  Aug 25 2018 - 11:30am Martin Atkinson                2
## 22   Aug 25 2018 - 2:00pm     Lee Probert                4
## 23   Aug 25 2018 - 2:00pm    Graham Scott                4
## 24   Aug 25 2018 - 2:00pm  Michael Oliver                0
## 26   Aug 25 2018 - 4:30pm  Chris Kavanagh                1
## 32   Sep 01 2018 - 2:00pm     Lee Probert                4
## 33   Sep 01 2018 - 2:00pm       Lee Mason                2
## 35   Sep 01 2018 - 2:00pm  Stuart Attwell                2
## 37   Sep 01 2018 - 4:30pm    Kevin Friend                3
## 38  Sep 02 2018 - 12:30pm  Anthony Taylor                5
## 39   Sep 02 2018 - 3:00pm   Jonathan Moss                2
## 40   Sep 02 2018 - 3:00pm  Andre Marriner                3
## 41  Sep 15 2018 - 11:30am  Michael Oliver                3
## 44   Sep 15 2018 - 2:00pm       Lee Mason                1
## 45   Sep 15 2018 - 2:00pm  Stuart Attwell                3
## 46   Sep 15 2018 - 2:00pm     Lee Probert                3
## 47   Sep 15 2018 - 4:30pm       Mike Dean                3
## 50   Sep 17 2018 - 7:00pm  Anthony Taylor                4
## 51  Sep 22 2018 - 11:30am Martin Atkinson                2
## 53   Sep 22 2018 - 2:00pm  Michael Oliver                5
## 54   Sep 22 2018 - 2:00pm  Andre Marriner                0
## 55   Sep 22 2018 - 2:00pm     David Coote                4
## 56   Sep 22 2018 - 2:00pm    Paul Tierney                3
## 57   Sep 22 2018 - 2:00pm    Kevin Friend                2
## 58   Sep 22 2018 - 4:30pm  Chris Kavanagh                3
## 59  Sep 23 2018 - 12:30pm       Mike Dean                0
## 60   Sep 23 2018 - 3:00pm   Jonathan Moss                2
## 62   Sep 29 2018 - 2:00pm  Anthony Taylor                2
## 65   Sep 29 2018 - 2:00pm       Lee Mason                2
## 67   Sep 29 2018 - 2:00pm  Stuart Attwell                2
## 68   Sep 29 2018 - 4:30pm  Andre Marriner                2
## 69   Sep 30 2018 - 3:00pm Martin Atkinson                3
## 70   Oct 01 2018 - 7:00pm       Mike Dean                3
## 71   Oct 05 2018 - 7:00pm    Kevin Friend                1
## 75   Oct 06 2018 - 2:00pm       Mike Dean                1
## 76   Oct 06 2018 - 2:00pm   Jonathan Moss                4
## 77   Oct 06 2018 - 4:30pm  Anthony Taylor                5
## 79   Oct 07 2018 - 1:15pm    Craig Pawson                3
## 81  Oct 20 2018 - 11:30am       Mike Dean                4
## 83   Oct 20 2018 - 2:00pm    Kevin Friend                6
## 85   Oct 20 2018 - 2:00pm  Andre Marriner                1
## 86   Oct 20 2018 - 2:00pm Martin Atkinson                1
## 88   Oct 20 2018 - 4:30pm  Michael Oliver                1
## 89   Oct 21 2018 - 3:00pm  Anthony Taylor                2
## 90   Oct 22 2018 - 7:00pm  Chris Kavanagh                4
## 92   Oct 27 2018 - 2:00pm  Andre Marriner                3
## 96   Oct 27 2018 - 4:30pm  Michael Oliver                2
## 97   Oct 28 2018 - 1:30pm    Craig Pawson                4
## 99   Oct 28 2018 - 4:00pm   Jonathan Moss                3
## 102  Nov 03 2018 - 3:00pm     Lee Probert                1
## 103  Nov 03 2018 - 3:00pm     David Coote                4
## 104  Nov 03 2018 - 3:00pm    Craig Pawson                1
## 107  Nov 03 2018 - 7:45pm       Mike Dean                5
## 109  Nov 04 2018 - 4:00pm  Michael Oliver                4
## 110  Nov 05 2018 - 8:00pm  Anthony Taylor                1
## 111 Nov 10 2018 - 12:30pm Martin Atkinson                3
## 112  Nov 10 2018 - 3:00pm  Chris Kavanagh                2
## 113  Nov 10 2018 - 3:00pm       Mike Dean                0
## 114  Nov 10 2018 - 3:00pm     Lee Probert                3
## 115  Nov 10 2018 - 3:00pm    Simon Hooper                2
## 116  Nov 10 2018 - 5:30pm   Jonathan Moss                1
## 118  Nov 11 2018 - 2:15pm    Kevin Friend                0
## 119  Nov 11 2018 - 4:30pm  Stuart Attwell                2
## 121  Nov 24 2018 - 3:00pm  Chris Kavanagh                2
## 122  Nov 24 2018 - 3:00pm    Paul Tierney                1
## 123  Nov 24 2018 - 3:00pm  Michael Oliver                5
## 125  Nov 24 2018 - 3:00pm   Jonathan Moss                3
## 126  Nov 24 2018 - 3:00pm  Andre Marriner                4
## 127  Nov 24 2018 - 5:30pm Martin Atkinson                4
## 128  Nov 25 2018 - 1:30pm    Craig Pawson                3
## 132  Dec 01 2018 - 3:00pm     Lee Probert                2
## 133  Dec 01 2018 - 3:00pm  Michael Oliver                3
## 135  Dec 01 2018 - 3:00pm  Stuart Attwell                4
## 136  Dec 01 2018 - 3:00pm    Paul Tierney                3
## 137  Dec 01 2018 - 5:30pm    Kevin Friend                4
## 139  Dec 02 2018 - 2:05pm       Mike Dean                6
## 140  Dec 02 2018 - 4:15pm  Chris Kavanagh                1
## 143  Dec 04 2018 - 7:45pm    Graham Scott                4
## 144  Dec 04 2018 - 8:00pm    Paul Tierney                3
## 147  Dec 05 2018 - 7:45pm   Jonathan Moss                3
## 149  Dec 05 2018 - 8:00pm  Andre Marriner                4
## 151 Dec 08 2018 - 12:30pm       Lee Mason                4
## 152  Dec 08 2018 - 3:00pm    Paul Tierney                1
## 153  Dec 08 2018 - 3:00pm Martin Atkinson                1
## 154  Dec 08 2018 - 3:00pm   Jonathan Moss                1
## 155  Dec 08 2018 - 3:00pm     Lee Probert                5
## 156  Dec 08 2018 - 3:00pm  Anthony Taylor                5
## 158  Dec 08 2018 - 7:45pm    Craig Pawson                2
## 159  Dec 09 2018 - 4:00pm       Mike Dean                3
## 160  Dec 10 2018 - 8:00pm    Kevin Friend                4
## 161 Dec 15 2018 - 12:30pm    Craig Pawson                4
## 162  Dec 15 2018 - 3:00pm  Michael Oliver                1
## 163  Dec 15 2018 - 3:00pm  Anthony Taylor                1
## 165  Dec 15 2018 - 3:00pm     Andy Madley                5
## 167  Dec 15 2018 - 5:30pm       Mike Dean                2
## 168  Dec 16 2018 - 1:30pm  Stuart Attwell                3
## 169  Dec 16 2018 - 1:30pm  Chris Kavanagh                5
## 171  Dec 21 2018 - 8:00pm    Craig Pawson                2
## 172 Dec 22 2018 - 12:30pm    Kevin Friend                4
## 173  Dec 22 2018 - 3:00pm       Mike Dean                2
## 174  Dec 22 2018 - 3:00pm     Lee Probert                1
## 178  Dec 22 2018 - 3:00pm       Lee Mason                2
## 179  Dec 22 2018 - 5:30pm  Michael Oliver                6
## 180  Dec 23 2018 - 4:00pm    Paul Tierney                8
## 181 Dec 26 2018 - 12:30pm  Andre Marriner                2
## 182  Dec 26 2018 - 3:00pm  Michael Oliver                6
## 183  Dec 26 2018 - 3:00pm     Lee Probert                0
## 184  Dec 26 2018 - 3:00pm       Mike Dean                3
## 185  Dec 26 2018 - 3:00pm    Graham Scott                4
## 188  Dec 26 2018 - 5:15pm  Anthony Taylor                2
## 190  Dec 27 2018 - 7:45pm    Craig Pawson                3
## 192  Dec 29 2018 - 3:00pm    Kevin Friend                1
## 194  Dec 29 2018 - 3:00pm  Stuart Attwell                4
## 195  Dec 29 2018 - 3:00pm      Roger East                2
## 197 Dec 30 2018 - 12:00pm    Craig Pawson                1
## 198  Dec 30 2018 - 2:15pm     David Coote                2
## 199  Dec 30 2018 - 2:15pm    Paul Tierney                4
## 200  Dec 30 2018 - 4:30pm       Lee Mason                5
## 202  Jan 01 2019 - 3:00pm    Graham Scott                5
## 203  Jan 01 2019 - 5:30pm    Kevin Friend                3
## 204  Jan 02 2019 - 7:45pm   Jonathan Moss                0
## 205  Jan 02 2019 - 7:45pm       Mike Dean                3
## 206  Jan 02 2019 - 7:45pm  Chris Kavanagh                4
## 209  Jan 02 2019 - 8:00pm  Andre Marriner                2
## 210  Jan 03 2019 - 8:00pm  Anthony Taylor                3
## 213  Jan 12 2019 - 3:00pm Martin Atkinson                3
## 214  Jan 12 2019 - 3:00pm       Lee Mason                0
## 215  Jan 12 2019 - 3:00pm    Paul Tierney                3
## 218  Jan 13 2019 - 2:15pm  Anthony Taylor                2
## 219  Jan 13 2019 - 4:30pm       Mike Dean                1
## 220  Jan 14 2019 - 8:00pm    Craig Pawson                3
## 222  Jan 19 2019 - 3:00pm    Simon Hooper                2
## 223  Jan 19 2019 - 3:00pm   Jonathan Moss                7
## 224  Jan 19 2019 - 3:00pm    Paul Tierney                3
## 225  Jan 19 2019 - 3:00pm  Stuart Attwell                3
## 228  Jan 19 2019 - 5:30pm  Anthony Taylor                2
## 229  Jan 20 2019 - 1:30pm  Andre Marriner                3
## 230  Jan 20 2019 - 4:00pm    Craig Pawson                3
## 231  Jan 29 2019 - 7:45pm       Mike Dean                3
## 232  Jan 29 2019 - 7:45pm     Lee Probert                6
## 233  Jan 29 2019 - 7:45pm  Stuart Attwell                1
## 234  Jan 29 2019 - 7:45pm     David Coote                3
## 235  Jan 29 2019 - 8:00pm   Jonathan Moss                4
## 236  Jan 29 2019 - 8:00pm    Paul Tierney                3
## 237  Jan 30 2019 - 7:45pm      Roger East                4
## 238  Jan 30 2019 - 7:45pm  Andre Marriner                2
## 239  Jan 30 2019 - 8:00pm Martin Atkinson                2
## 240  Jan 30 2019 - 8:00pm    Graham Scott                3
## 242  Feb 02 2019 - 3:00pm    Simon Hooper                0
## 244  Feb 02 2019 - 3:00pm    Paul Tierney                5
## 246  Feb 02 2019 - 3:00pm       Lee Mason                4
## 247  Feb 02 2019 - 5:30pm   Jonathan Moss                2
## 248  Feb 03 2019 - 2:05pm       Mike Dean                1
## 249  Feb 03 2019 - 4:30pm Martin Atkinson                4
## 250  Feb 04 2019 - 8:00pm    Kevin Friend                2
## 252 Feb 09 2019 - 12:30pm    Paul Tierney                3
## 253  Feb 09 2019 - 3:00pm    Craig Pawson                2
## 254  Feb 09 2019 - 3:00pm   Jonathan Moss                3
## 255  Feb 09 2019 - 3:00pm  Anthony Taylor                3
## 257  Feb 09 2019 - 3:00pm     Lee Probert                1
## 258  Feb 09 2019 - 5:30pm  Stuart Attwell                4
## 259  Feb 10 2019 - 1:30pm  Michael Oliver                4
## 260  Feb 10 2019 - 4:00pm       Mike Dean                6
## 261  Feb 11 2019 - 8:00pm    Graham Scott                2
## 264 Feb 23 2019 - 12:30pm       Mike Dean                3
## 265  Feb 23 2019 - 3:00pm      Roger East                2
## 266  Feb 23 2019 - 3:00pm    Kevin Friend                2
## 269  Feb 24 2019 - 2:05pm  Michael Oliver                0
## 272  Feb 26 2019 - 7:45pm     Lee Probert                3
## 274  Feb 27 2019 - 7:45pm  Chris Kavanagh                6
## 278  Feb 27 2019 - 8:00pm    Graham Scott                5
## 280 Mar 02 2019 - 12:30pm  Anthony Taylor                2
## 281  Mar 02 2019 - 3:00pm    Kevin Friend                1
## 282  Mar 02 2019 - 3:00pm       Mike Dean                1
## 283  Mar 02 2019 - 3:00pm     Lee Probert                4
## 286  Mar 02 2019 - 5:30pm  Chris Kavanagh                2
## 288  Mar 03 2019 - 2:05pm    Graham Scott                3
## 289  Mar 03 2019 - 4:15pm Martin Atkinson                0
## 290 Mar 09 2019 - 12:30pm    Craig Pawson                3
## 291  Mar 09 2019 - 3:00pm    Graham Scott                2
## 292  Mar 09 2019 - 3:00pm  Anthony Taylor                2
## 293  Mar 09 2019 - 3:00pm     David Coote                4
## 295  Mar 09 2019 - 3:00pm    Kevin Friend                3
## 297 Mar 10 2019 - 12:00pm  Andre Marriner                6
## 298  Mar 10 2019 - 2:05pm  Michael Oliver                2
## 299  Mar 10 2019 - 4:30pm   Jonathan Moss                2
## 300  Mar 16 2019 - 3:00pm       Mike Dean                4
## 301  Mar 16 2019 - 3:00pm  Michael Oliver                3
## 302  Mar 16 2019 - 3:00pm   Jonathan Moss                7
## 304  Mar 17 2019 - 4:30pm  Anthony Taylor                2
## 305 Mar 30 2019 - 12:30pm    Kevin Friend                2
## 306  Mar 30 2019 - 3:00pm  Michael Oliver                1
## 310  Mar 30 2019 - 3:00pm  Stuart Attwell                3
## 311  Mar 30 2019 - 5:30pm    Paul Tierney                2
## 315  Apr 02 2019 - 6:45pm      Roger East                5
## 316  Apr 02 2019 - 6:45pm       Mike Dean                3
## 317  Apr 03 2019 - 6:45pm    Graham Scott                3
## 319  Apr 03 2019 - 6:45pm   Jonathan Moss                2
## 320  Apr 05 2019 - 7:00pm    Paul Tierney                4
## 321  Apr 06 2019 - 2:00pm Martin Atkinson                4
## 322  Apr 06 2019 - 2:00pm     David Coote                5
## 324  Apr 07 2019 - 1:05pm    Kevin Friend                1
## 328  Apr 13 2019 - 2:00pm    Kevin Friend                5
## 329  Apr 13 2019 - 2:00pm       Mike Dean                2
## 332  Apr 13 2019 - 4:30pm    Graham Scott                3
## 335  Apr 15 2019 - 7:00pm    Craig Pawson                1
## 337 Apr 20 2019 - 11:30am  Michael Oliver                1
## 338  Apr 20 2019 - 2:00pm     David Coote                1
## 339  Apr 20 2019 - 2:00pm      Roger East                3
## 341  Apr 20 2019 - 2:00pm    Craig Pawson                0
## 342  Apr 20 2019 - 4:30pm  Anthony Taylor                4
## 343 Apr 21 2019 - 12:30pm    Paul Tierney                4
## 344  Apr 21 2019 - 3:00pm   Jonathan Moss                5
## 346  Apr 22 2019 - 7:00pm    Kevin Friend                4
## 347  Apr 23 2019 - 6:45pm       Mike Dean                2
## 348  Apr 23 2019 - 6:45pm  Chris Kavanagh                1
## 350  Apr 24 2019 - 7:00pm  Andre Marriner                2
## 351  Apr 26 2019 - 7:00pm    Kevin Friend                5
## 354  Apr 27 2019 - 2:00pm  Chris Kavanagh                1
## 355  Apr 27 2019 - 2:00pm    Graham Scott                6
## 356  Apr 27 2019 - 2:00pm    Simon Hooper                3
## 357  Apr 27 2019 - 4:30pm       Mike Dean                2
## 360  Apr 28 2019 - 3:30pm Martin Atkinson                2
## 361  May 03 2019 - 7:00pm  Chris Kavanagh                2
## 362 May 04 2019 - 11:30am    Craig Pawson                1
## 363  May 04 2019 - 2:00pm  Stuart Attwell                3
## 364  May 04 2019 - 2:00pm   Jonathan Moss                1
## 365  May 04 2019 - 4:30pm  Michael Oliver                5
## 366  May 04 2019 - 6:45pm  Andre Marriner                5
## 367  May 05 2019 - 1:00pm    Paul Tierney                3
## 369  May 05 2019 - 3:30pm  Anthony Taylor                2
## 370  May 06 2019 - 7:00pm       Mike Dean                1
## 372  May 12 2019 - 2:00pm       Mike Dean                4
## 374  May 12 2019 - 2:00pm    Kevin Friend                4
## 377  May 12 2019 - 2:00pm   Jonathan Moss                2
## 378  May 12 2019 - 2:00pm     Lee Probert                2
## 379  May 12 2019 - 2:00pm  Andre Marriner                4
## 380  May 12 2019 - 2:00pm  Chris Kavanagh                5
##     total_goals_at_half_time
## 2                          3
## 3                          1
## 4                          1
## 5                          2
## 6                          1
## 8                          2
## 9                          0
## 12                         2
## 14                         1
## 15                         1
## 16                         4
## 18                         4
## 19                         4
## 20                         1
## 21                         0
## 22                         0
## 23                         2
## 24                         0
## 26                         1
## 32                         1
## 33                         0
## 35                         2
## 37                         2
## 38                         2
## 39                         2
## 40                         0
## 41                         1
## 44                         1
## 45                         2
## 46                         0
## 47                         2
## 50                         1
## 51                         1
## 53                         3
## 54                         0
## 55                         2
## 56                         3
## 57                         1
## 58                         1
## 59                         0
## 60                         0
## 62                         0
## 65                         1
## 67                         0
## 68                         1
## 69                         0
## 70                         1
## 71                         1
## 75                         1
## 76                         3
## 77                         2
## 79                         1
## 81                         1
## 83                         4
## 85                         1
## 86                         1
## 88                         1
## 89                         0
## 90                         2
## 92                         1
## 96                         1
## 97                         1
## 99                         1
## 102                        0
## 103                        2
## 104                        0
## 107                        2
## 109                        1
## 110                        1
## 111                        2
## 112                        1
## 113                        0
## 114                        3
## 115                        1
## 116                        0
## 118                        0
## 119                        1
## 121                        1
## 122                        0
## 123                        3
## 125                        0
## 126                        3
## 127                        2
## 128                        2
## 132                        1
## 133                        2
## 135                        2
## 136                        1
## 137                        4
## 139                        3
## 140                        0
## 143                        0
## 144                        1
## 147                        1
## 149                        2
## 151                        1
## 152                        0
## 153                        1
## 154                        0
## 155                        3
## 156                        1
## 158                        1
## 159                        2
## 160                        1
## 161                        1
## 162                        1
## 163                        0
## 165                        1
## 167                        2
## 168                        2
## 169                        3
## 171                        1
## 172                        1
## 173                        1
## 174                        0
## 178                        1
## 179                        4
## 180                        4
## 181                        0
## 182                        4
## 183                        0
## 184                        2
## 185                        1
## 188                        2
## 190                        0
## 192                        0
## 194                        1
## 195                        1
## 197                        0
## 198                        2
## 199                        4
## 200                        4
## 202                        1
## 203                        3
## 204                        0
## 205                        2
## 206                        0
## 209                        0
## 210                        1
## 213                        3
## 214                        0
## 215                        1
## 218                        0
## 219                        1
## 220                        2
## 222                        0
## 223                        1
## 224                        2
## 225                        1
## 228                        2
## 229                        1
## 230                        1
## 231                        0
## 232                        2
## 233                        1
## 234                        0
## 235                        0
## 236                        1
## 237                        0
## 238                        1
## 239                        2
## 240                        1
## 242                        0
## 244                        2
## 246                        3
## 247                        1
## 248                        1
## 249                        3
## 250                        2
## 252                        2
## 253                        1
## 254                        2
## 255                        2
## 257                        0
## 258                        1
## 259                        1
## 260                        4
## 261                        0
## 264                        0
## 265                        1
## 266                        0
## 269                        0
## 272                        1
## 274                        3
## 278                        2
## 280                        1
## 281                        0
## 282                        0
## 283                        1
## 286                        2
## 288                        3
## 289                        0
## 290                        1
## 291                        1
## 292                        1
## 293                        1
## 295                        1
## 297                        3
## 298                        0
## 299                        1
## 300                        1
## 301                        2
## 302                        3
## 304                        0
## 305                        2
## 306                        0
## 310                        1
## 311                        2
## 315                        2
## 316                        2
## 317                        1
## 319                        2
## 320                        2
## 321                        3
## 322                        1
## 324                        1
## 328                        1
## 329                        1
## 332                        1
## 335                        1
## 337                        1
## 338                        0
## 339                        1
## 341                        0
## 342                        2
## 343                        2
## 344                        1
## 346                        4
## 347                        1
## 348                        0
## 350                        0
## 351                        3
## 354                        0
## 355                        3
## 356                        1
## 357                        1
## 360                        2
## 361                        2
## 362                        0
## 363                        1
## 364                        0
## 365                        3
## 366                        3
## 367                        0
## 369                        1
## 370                        0
## 372                        0
## 374                        2
## 377                        1
## 378                        1
## 379                        1
## 380                        2
##                                                     stadium_name
## 2                          St. James' Park (Newcastle upon Tyne)
## 3                         Vitality Stadium (Bournemouth- Dorset)
## 4                                        Craven Cottage (London)
## 5            John Smith's Stadium (Huddersfield- West Yorkshire)
## 6                                        Vicarage Road (Watford)
## 8                                            Anfield (Liverpool)
## 9                    St. Mary's Stadium (Southampton- Hampshire)
## 12                                     Goodison Park (Liverpool)
## 14                                      Wembley Stadium (London)
## 15                                       London Stadium (London)
## 16                                      Stamford Bridge (London)
## 18                                   Etihad Stadium (Manchester)
## 19  The American Express Community Stadium (Falmer- East Sussex)
## 20                                        Selhurst Park (London)
## 21               Molineux Stadium (Wolverhampton- West Midlands)
## 22                        Vitality Stadium (Bournemouth- Dorset)
## 23                                     Emirates Stadium (London)
## 24           John Smith's Stadium (Huddersfield- West Yorkshire)
## 26                                           Anfield (Liverpool)
## 32  The American Express Community Stadium (Falmer- East Sussex)
## 33                                      Stamford Bridge (London)
## 35                                     Goodison Park (Liverpool)
## 37                                   Etihad Stadium (Manchester)
## 38                     Cardiff City Stadium (Cardiff (Caerdydd))
## 39                                           Turf Moor (Burnley)
## 40                                       Vicarage Road (Watford)
## 41                                      Wembley Stadium (London)
## 44           John Smith's Stadium (Huddersfield- West Yorkshire)
## 45                                   Etihad Stadium (Manchester)
## 46                         St. James' Park (Newcastle upon Tyne)
## 47                                       Vicarage Road (Watford)
## 50                   St. Mary's Stadium (Southampton- Hampshire)
## 51                                       Craven Cottage (London)
## 53                     Cardiff City Stadium (Cardiff (Caerdydd))
## 54                                        Selhurst Park (London)
## 55                King Power Stadium (Leicester- Leicestershire)
## 56                                           Anfield (Liverpool)
## 57                                     Old Trafford (Manchester)
## 58  The American Express Community Stadium (Falmer- East Sussex)
## 59                                       London Stadium (London)
## 60                                     Emirates Stadium (London)
## 62                                     Emirates Stadium (London)
## 65                                   Etihad Stadium (Manchester)
## 67               Molineux Stadium (Wolverhampton- West Midlands)
## 68                                      Stamford Bridge (London)
## 69                     Cardiff City Stadium (Cardiff (Caerdydd))
## 70                        Vitality Stadium (Bournemouth- Dorset)
## 71  The American Express Community Stadium (Falmer- East Sussex)
## 75                                      Wembley Stadium (London)
## 76                                       Vicarage Road (Watford)
## 77                                     Old Trafford (Manchester)
## 79                   St. Mary's Stadium (Southampton- Hampshire)
## 81                                      Stamford Bridge (London)
## 83                     Cardiff City Stadium (Cardiff (Caerdydd))
## 85                         St. James' Park (Newcastle upon Tyne)
## 86                                       London Stadium (London)
## 88           John Smith's Stadium (Huddersfield- West Yorkshire)
## 89                                     Goodison Park (Liverpool)
## 90                                     Emirates Stadium (London)
## 92                                       Craven Cottage (London)
## 96                King Power Stadium (Leicester- Leicestershire)
## 97                                           Turf Moor (Burnley)
## 99                                     Old Trafford (Manchester)
## 102                    Cardiff City Stadium (Cardiff (Caerdydd))
## 103                                    Goodison Park (Liverpool)
## 104                        St. James' Park (Newcastle upon Tyne)
## 107              Molineux Stadium (Wolverhampton- West Midlands)
## 109                                     Stamford Bridge (London)
## 110          John Smith's Stadium (Huddersfield- West Yorkshire)
## 111                    Cardiff City Stadium (Cardiff (Caerdydd))
## 112          John Smith's Stadium (Huddersfield- West Yorkshire)
## 113               King Power Stadium (Leicester- Leicestershire)
## 114                        St. James' Park (Newcastle upon Tyne)
## 115                  St. Mary's Stadium (Southampton- Hampshire)
## 116                                       Selhurst Park (London)
## 118                                     Stamford Bridge (London)
## 119                                    Emirates Stadium (London)
## 121 The American Express Community Stadium (Falmer- East Sussex)
## 122                                    Goodison Park (Liverpool)
## 123                                      Craven Cottage (London)
## 125                                      Vicarage Road (Watford)
## 126                                      London Stadium (London)
## 127                                     Wembley Stadium (London)
## 128                       Vitality Stadium (Bournemouth- Dorset)
## 132                                       Selhurst Park (London)
## 133          John Smith's Stadium (Huddersfield- West Yorkshire)
## 135                                  Etihad Stadium (Manchester)
## 136                        St. James' Park (Newcastle upon Tyne)
## 137                  St. Mary's Stadium (Southampton- Hampshire)
## 139                                    Emirates Stadium (London)
## 140                                          Anfield (Liverpool)
## 143                                      London Stadium (London)
## 144                                      Vicarage Road (Watford)
## 147              Molineux Stadium (Wolverhampton- West Midlands)
## 149                                    Old Trafford (Manchester)
## 151                       Vitality Stadium (Bournemouth- Dorset)
## 152                                    Emirates Stadium (London)
## 153                                          Turf Moor (Burnley)
## 154                    Cardiff City Stadium (Cardiff (Caerdydd))
## 155                                    Old Trafford (Manchester)
## 156                                      London Stadium (London)
## 158               King Power Stadium (Leicester- Leicestershire)
## 159                        St. James' Park (Newcastle upon Tyne)
## 160                                    Goodison Park (Liverpool)
## 161                                  Etihad Stadium (Manchester)
## 162                                       Selhurst Park (London)
## 163          John Smith's Stadium (Huddersfield- West Yorkshire)
## 165                                      Vicarage Road (Watford)
## 167                                      Craven Cottage (London)
## 168 The American Express Community Stadium (Falmer- East Sussex)
## 169                  St. Mary's Stadium (Southampton- Hampshire)
## 171              Molineux Stadium (Wolverhampton- West Midlands)
## 172                                    Emirates Stadium (London)
## 173                       Vitality Stadium (Bournemouth- Dorset)
## 174                                     Stamford Bridge (London)
## 178                                      London Stadium (London)
## 179                    Cardiff City Stadium (Cardiff (Caerdydd))
## 180                                    Goodison Park (Liverpool)
## 181                                      Craven Cottage (London)
## 182                                          Turf Moor (Burnley)
## 183                                       Selhurst Park (London)
## 184               King Power Stadium (Leicester- Leicestershire)
## 185                                          Anfield (Liverpool)
## 188 The American Express Community Stadium (Falmer- East Sussex)
## 190                  St. Mary's Stadium (Southampton- Hampshire)
## 192                                      Craven Cottage (London)
## 194                                     Wembley Stadium (London)
## 195                                      Vicarage Road (Watford)
## 197                                       Selhurst Park (London)
## 198                                          Turf Moor (Burnley)
## 199                  St. Mary's Stadium (Southampton- Hampshire)
## 200                                    Old Trafford (Manchester)
## 202                                    Emirates Stadium (London)
## 203                    Cardiff City Stadium (Cardiff (Caerdydd))
## 204                                     Stamford Bridge (London)
## 205          John Smith's Stadium (Huddersfield- West Yorkshire)
## 206                                      London Stadium (London)
## 209                        St. James' Park (Newcastle upon Tyne)
## 210                                  Etihad Stadium (Manchester)
## 213                                          Turf Moor (Burnley)
## 214                    Cardiff City Stadium (Cardiff (Caerdydd))
## 215                                       Selhurst Park (London)
## 218                                    Goodison Park (Liverpool)
## 219                                     Wembley Stadium (London)
## 220                                  Etihad Stadium (Manchester)
## 222                       Vitality Stadium (Bournemouth- Dorset)
## 223                                          Anfield (Liverpool)
## 224                                    Old Trafford (Manchester)
## 225                        St. James' Park (Newcastle upon Tyne)
## 228                                    Emirates Stadium (London)
## 229          John Smith's Stadium (Huddersfield- West Yorkshire)
## 230                                      Craven Cottage (London)
## 231                                    Emirates Stadium (London)
## 232                                      Craven Cottage (London)
## 233          John Smith's Stadium (Huddersfield- West Yorkshire)
## 234              Molineux Stadium (Wolverhampton- West Midlands)
## 235                                    Old Trafford (Manchester)
## 236                        St. James' Park (Newcastle upon Tyne)
## 237                       Vitality Stadium (Bournemouth- Dorset)
## 238                  St. Mary's Stadium (Southampton- Hampshire)
## 239                                          Anfield (Liverpool)
## 240                                     Wembley Stadium (London)
## 242 The American Express Community Stadium (Falmer- East Sussex)
## 244                                     Stamford Bridge (London)
## 246                                    Goodison Park (Liverpool)
## 247                    Cardiff City Stadium (Cardiff (Caerdydd))
## 248               King Power Stadium (Leicester- Leicestershire)
## 249                                  Etihad Stadium (Manchester)
## 250                                      London Stadium (London)
## 252                                      Craven Cottage (London)
## 253                                       Selhurst Park (London)
## 254          John Smith's Stadium (Huddersfield- West Yorkshire)
## 255                                          Anfield (Liverpool)
## 257                                      Vicarage Road (Watford)
## 258 The American Express Community Stadium (Falmer- East Sussex)
## 259                                     Wembley Stadium (London)
## 260                                  Etihad Stadium (Manchester)
## 261              Molineux Stadium (Wolverhampton- West Midlands)
## 264                                          Turf Moor (Burnley)
## 265                       Vitality Stadium (Bournemouth- Dorset)
## 266                        St. James' Park (Newcastle upon Tyne)
## 269                                    Old Trafford (Manchester)
## 272               King Power Stadium (Leicester- Leicestershire)
## 274                                    Emirates Stadium (London)
## 278                                          Anfield (Liverpool)
## 280                                     Wembley Stadium (London)
## 281                       Vitality Stadium (Bournemouth- Dorset)
## 282 The American Express Community Stadium (Falmer- East Sussex)
## 283                                          Turf Moor (Burnley)
## 286                                      London Stadium (London)
## 288                                      Craven Cottage (London)
## 289                                    Goodison Park (Liverpool)
## 290                                       Selhurst Park (London)
## 291                    Cardiff City Stadium (Cardiff (Caerdydd))
## 292          John Smith's Stadium (Huddersfield- West Yorkshire)
## 293               King Power Stadium (Leicester- Leicestershire)
## 295                  St. Mary's Stadium (Southampton- Hampshire)
## 297                                          Anfield (Liverpool)
## 298                                     Stamford Bridge (London)
## 299                                    Emirates Stadium (London)
## 300                       Vitality Stadium (Bournemouth- Dorset)
## 301                                          Turf Moor (Burnley)
## 302                                      London Stadium (London)
## 304                                    Goodison Park (Liverpool)
## 305                                      Craven Cottage (London)
## 306 The American Express Community Stadium (Falmer- East Sussex)
## 310                                    Old Trafford (Manchester)
## 311                                      London Stadium (London)
## 315                                      Vicarage Road (Watford)
## 316              Molineux Stadium (Wolverhampton- West Midlands)
## 317                                     Stamford Bridge (London)
## 319                                  Etihad Stadium (Manchester)
## 320                  St. Mary's Stadium (Southampton- Hampshire)
## 321                       Vitality Stadium (Bournemouth- Dorset)
## 322          John Smith's Stadium (Huddersfield- West Yorkshire)
## 324                                    Goodison Park (Liverpool)
## 328 The American Express Community Stadium (Falmer- East Sussex)
## 329                                          Turf Moor (Burnley)
## 332                                    Old Trafford (Manchester)
## 335                                      Vicarage Road (Watford)
## 337                                  Etihad Stadium (Manchester)
## 338                       Vitality Stadium (Bournemouth- Dorset)
## 339          John Smith's Stadium (Huddersfield- West Yorkshire)
## 341              Molineux Stadium (Wolverhampton- West Midlands)
## 342                        St. James' Park (Newcastle upon Tyne)
## 343                                    Goodison Park (Liverpool)
## 344                                    Emirates Stadium (London)
## 346                                     Stamford Bridge (London)
## 347                                      Vicarage Road (Watford)
## 348                           Tottenham Hotspur Stadium (London)
## 350                                    Old Trafford (Manchester)
## 351                                          Anfield (Liverpool)
## 354                                      Craven Cottage (London)
## 355                  St. Mary's Stadium (Southampton- Hampshire)
## 356                                      Vicarage Road (Watford)
## 357 The American Express Community Stadium (Falmer- East Sussex)
## 360                                    Old Trafford (Manchester)
## 361                                    Goodison Park (Liverpool)
## 362                       Vitality Stadium (Bournemouth- Dorset)
## 363                                      London Stadium (London)
## 364              Molineux Stadium (Wolverhampton- West Midlands)
## 365                    Cardiff City Stadium (Cardiff (Caerdydd))
## 366                        St. James' Park (Newcastle upon Tyne)
## 367                                     Stamford Bridge (London)
## 369                                    Emirates Stadium (London)
## 370                                  Etihad Stadium (Manchester)
## 372                                          Turf Moor (Burnley)
## 374                                      Craven Cottage (London)
## 377                                    Old Trafford (Manchester)
## 378                  St. Mary's Stadium (Southampton- Hampshire)
## 379                           Tottenham Hotspur Stadium (London)
## 380                                      Vicarage Road (Watford)

Residuals

model <- lm(total_goals_at_half_time ~ total_goal_count, data = HW)
summary(model)
## 
## Call:
## lm(formula = total_goals_at_half_time ~ total_goal_count, data = HW)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -2.16794 -0.44923  0.09765  0.55077  2.19141 
## 
## Coefficients:
##                   Estimate Std. Error t value Pr(>|t|)    
## (Intercept)      -0.003888   0.108551  -0.036    0.971    
## total_goal_count  0.453119   0.033544  13.508   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.8287 on 250 degrees of freedom
## Multiple R-squared:  0.4219, Adjusted R-squared:  0.4196 
## F-statistic: 182.5 on 1 and 250 DF,  p-value: < 2.2e-16

Scatter Plot

library(colorspace)
col.rainbow <- rainbow(2)
palette(col.rainbow)
plot(data$total_goal_count, data$total_goals_at_half_time,pch=19,col = as.factor(data$total_goal_count))
abline(model)

Complete ggplot

ggplot(data = data, mapping = aes(total_goal_count,total_goals_at_half_time,color = "pink"))+
  geom_jitter()+
  geom_smooth(method = lm)
## `geom_smooth()` using formula 'y ~ x'

Prediction

pre <- predict(model,data[-data$total_goal_count,])
pre
##            9           10           11           12           13           14 
## -0.003888091  0.902349109 -0.003888091  1.355467709  0.902349109  1.808586308 
##           15           16           17           18           19           20 
##  1.355467709  2.261704908  1.808586308  3.167942108  2.261704908  0.902349109 
##           21           22           23           24           25           26 
##  0.902349109  1.808586308  1.808586308 -0.003888091  1.355467709  0.449230509 
##           27           28           29           30           31           32 
##  1.355467709  2.714823508  1.355467709  1.355467709  1.355467709  1.808586308 
##           33           34           35           36           37           38 
##  0.902349109  0.902349109  0.902349109  0.449230509  1.355467709  2.261704908 
##           39           40           41           42           43           44 
##  0.902349109  1.355467709  1.355467709  2.714823508  2.261704908  0.449230509 
##           45           46           47           48           49           50 
##  1.355467709  1.355467709  1.355467709  0.449230509  1.808586308  1.808586308 
##           51           52           53           54           55           56 
##  0.902349109  1.808586308  2.261704908 -0.003888091  1.808586308  1.355467709 
##           57           58           59           60           61           62 
##  0.902349109  1.355467709 -0.003888091  0.902349109  1.808586308  0.902349109 
##           63           64           65           66           67           68 
##  1.355467709  0.902349109  0.902349109  0.902349109  0.902349109  0.902349109 
##           69           70           71           72           73           74 
##  1.355467709  1.355467709  0.449230509  0.902349109  0.449230509  1.355467709 
##           75           76           77           78           79           80 
##  0.449230509  1.808586308  2.261704908  2.714823508  1.355467709 -0.003888091 
##           81           82           83           84           85           86 
##  1.808586308 -0.003888091  2.714823508  2.261704908  0.449230509  0.449230509 
##           87           88           89           90           91           92 
##  0.902349109  0.449230509  0.902349109  1.808586308  0.449230509  1.355467709 
##           93           94           95           96           97           98 
##  2.261704908 -0.003888091  1.355467709  0.902349109  1.808586308  1.808586308 
##           99          100          101          102          103          104 
##  1.355467709  0.449230509  1.355467709  0.449230509  1.808586308  0.449230509 
##          105          106          107          108          109          110 
##  2.714823508  0.902349109  2.261704908  3.167942108  1.808586308  0.449230509 
##          111          112          113          114          115          116 
##  1.355467709  0.902349109 -0.003888091  1.355467709  0.902349109  0.449230509 
##          117          118          119          120          121          122 
##  0.902349109 -0.003888091  0.902349109  1.808586308  0.902349109  0.449230509 
##          123          124          125          126          127          128 
##  2.261704908 -0.003888091  1.355467709  1.808586308  1.808586308  1.355467709 
##          129          130          131          132          133          134 
##  0.902349109  1.355467709  1.355467709  0.902349109  1.355467709  0.902349109 
##          135          136          137          138          139          140 
##  1.808586308  1.355467709  1.808586308  0.902349109  2.714823508  0.449230509 
##          141          142          143          144          145          146 
##  1.355467709  1.808586308  1.808586308  1.355467709  1.808586308  0.902349109 
##          147          148          149          150          151          152 
##  1.355467709  0.902349109  1.808586308  1.808586308  1.808586308  0.449230509 
##          153          154          155          156          157          158 
##  0.449230509  0.449230509  2.261704908  2.261704908  0.902349109  0.902349109 
##          159          160          161          162          163          164 
##  1.355467709  1.808586308  1.808586308  0.449230509  0.449230509  0.449230509 
##          165          166          167          168          169          170 
##  2.261704908  0.902349109  0.902349109  1.355467709  2.261704908  1.808586308 
##          171          172          173          174          175          176 
##  0.902349109  1.808586308  0.902349109  0.449230509  1.808586308  2.261704908 
##          177          178          179          180          181          182 
## -0.003888091  0.902349109  2.714823508  3.621060708  0.902349109  2.714823508 
##          183          184          185          186          187          188 
## -0.003888091  1.355467709  1.808586308  1.808586308  2.261704908  0.902349109 
##          189          190          191          192          193          194 
##  1.355467709  1.355467709  0.449230509  0.449230509  0.449230509  1.808586308 
##          195          196          197          198          199          200 
##  0.902349109  2.714823508  0.449230509  0.902349109  1.808586308  2.261704908 
##          201          202          203          204          205          206 
##  0.449230509  2.261704908  1.355467709 -0.003888091  1.355467709  1.808586308 
##          207          208          209          210          211          212 
##  0.902349109  2.714823508  0.902349109  1.355467709  0.449230509  0.449230509 
##          213          214          215          216          217          218 
##  1.355467709 -0.003888091  1.355467709  1.355467709  1.355467709  0.902349109 
##          219          220          221          222          223          224 
##  0.449230509  1.355467709  3.167942108  0.902349109  3.167942108  1.355467709 
##          225          226          227          228          229          230 
##  1.355467709  1.355467709 -0.003888091  0.902349109  1.355467709  1.355467709 
##          231          232          233          234          235          236 
##  1.355467709  2.714823508  0.449230509  1.355467709  1.808586308  1.355467709 
##          237          238          239          240          241          242 
##  1.808586308  0.902349109  0.902349109  1.355467709  0.449230509 -0.003888091 
##          243          244          245          246          247          248 
##  0.902349109  2.261704908  0.902349109  1.808586308  0.902349109  0.449230509 
##          249          250          251          252          253          254 
##  1.808586308  0.902349109  0.902349109  1.355467709  0.902349109  1.355467709 
##          255          256          257          258          259          260 
##  1.355467709  1.355467709  0.449230509  1.808586308  1.808586308  2.714823508 
##          261          262          263          264          265          266 
##  0.902349109  2.714823508  1.808586308  1.355467709  0.902349109  0.902349109 
##          267          268          269          270          271          272 
##  2.261704908  0.902349109 -0.003888091  1.355467709  0.449230509  1.355467709 
##          273          274          275          276          277          278 
##  0.902349109  2.714823508  0.902349109  1.808586308  0.902349109  2.261704908 
##          279          280          281          282          283          284 
##  0.449230509  0.902349109  0.449230509  0.449230509  1.808586308  2.261704908 
##          285          286          287          288          289          290 
##  0.902349109  0.902349109  1.355467709  1.355467709 -0.003888091  1.355467709 
##          291          292          293          294          295          296 
##  0.902349109  0.902349109  1.808586308  2.261704908  1.355467709  1.808586308 
##          297          298          299          300          301          302 
##  2.714823508  0.902349109  0.902349109  1.808586308  1.355467709  3.167942108 
##          303          304          305          306          307          308 
##  1.355467709  0.902349109  0.902349109  0.449230509  0.902349109  0.902349109 
##          309          310          311          312          313          314 
##  0.902349109  1.355467709  0.902349109  1.355467709  1.355467709  0.902349109 
##          315          316          317          318          319          320 
##  2.261704908  1.355467709  1.355467709  0.902349109  0.902349109  1.808586308 
##          321          322          323          324          325          326 
##  1.808586308  2.261704908  0.449230509  0.449230509  0.902349109  0.449230509 
##          327          328          329          330          331          332 
##  1.808586308  2.261704908  0.902349109  0.902349109  1.808586308  1.355467709 
##          333          334          335          336          337          338 
##  1.808586308  0.902349109  0.449230509  0.902349109  0.449230509  0.449230509 
##          339          340          341          342          343          344 
##  1.355467709  1.808586308 -0.003888091  1.808586308  1.808586308  2.261704908 
##          345          346          347          348          349          350 
##  0.902349109  1.808586308  0.902349109  0.449230509  1.808586308  0.902349109 
##          351          352          353          354          355          356 
##  2.261704908  0.449230509 -0.003888091  0.449230509  2.714823508  1.355467709 
##          357          358          359          360          361          362 
##  0.902349109  1.355467709  0.449230509  0.902349109  0.902349109  0.449230509 
##          363          364          365          366          367          368 
##  1.355467709  0.449230509  2.261704908  2.261704908  1.355467709  0.902349109 
##          369          370          371          372          373          374 
##  0.902349109  0.449230509  2.261704908  1.808586308  3.621060708  1.808586308 
##          375          376          377          378          379          380 
## -0.003888091  0.902349109  0.902349109  0.902349109  1.808586308  2.261704908

10 fold cross validation

train.control <- trainControl(method = "cv", number = 10)
mode <- train(total_goal_count ~ total_goals_at_half_time, data = data,
             method="lm",
             trControl=train.control)
print(mode)
## Linear Regression 
## 
## 380 samples
##   1 predictor
## 
## No pre-processing
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 343, 342, 343, 342, 341, 340, ... 
## Resampling results:
## 
##   RMSE     Rsquared   MAE     
##   1.19199  0.4471828  1.004419
## 
## Tuning parameter 'intercept' was held constant at a value of TRUE
summary(mode)
## 
## Call:
## lm(formula = .outcome ~ ., data = dat)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -1.6558 -0.6558 -0.4466  0.5534  4.4140 
## 
## Coefficients:
##                          Estimate Std. Error t value Pr(>|t|)    
## (Intercept)               1.65577    0.09124   18.15   <2e-16 ***
## total_goals_at_half_time  0.93027    0.05382   17.29   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.198 on 378 degrees of freedom
## Multiple R-squared:  0.4415, Adjusted R-squared:   0.44 
## F-statistic: 298.8 on 1 and 378 DF,  p-value: < 2.2e-16