| \n", " | TV | \n", "Radio | \n", "Newspaper | \n", "Sales | \n", "
|---|---|---|---|---|
| 0 | \n", "230.1 | \n", "37.8 | \n", "69.2 | \n", "22.1 | \n", "
| 1 | \n", "44.5 | \n", "39.3 | \n", "45.1 | \n", "10.4 | \n", "
| 2 | \n", "17.2 | \n", "45.9 | \n", "69.3 | \n", "9.3 | \n", "
| 3 | \n", "151.5 | \n", "41.3 | \n", "58.5 | \n", "18.5 | \n", "
| 4 | \n", "180.8 | \n", "10.8 | \n", "58.4 | \n", "12.9 | \n", "
| \n", " | mpg | \n", "cylinders | \n", "displacement | \n", "horsepower | \n", "weight | \n", "acceleration | \n", "year | \n", "origin | \n", "name | \n", "
|---|---|---|---|---|---|---|---|---|---|
| 0 | \n", "18.0 | \n", "8 | \n", "307.0 | \n", "130.0 | \n", "3504 | \n", "12.0 | \n", "70 | \n", "1 | \n", "chevrolet chevelle malibu | \n", "
| 1 | \n", "15.0 | \n", "8 | \n", "350.0 | \n", "165.0 | \n", "3693 | \n", "11.5 | \n", "70 | \n", "1 | \n", "buick skylark 320 | \n", "
| 2 | \n", "18.0 | \n", "8 | \n", "318.0 | \n", "150.0 | \n", "3436 | \n", "11.0 | \n", "70 | \n", "1 | \n", "plymouth satellite | \n", "
| 3 | \n", "16.0 | \n", "8 | \n", "304.0 | \n", "150.0 | \n", "3433 | \n", "12.0 | \n", "70 | \n", "1 | \n", "amc rebel sst | \n", "
| 4 | \n", "17.0 | \n", "8 | \n", "302.0 | \n", "140.0 | \n", "3449 | \n", "10.5 | \n", "70 | \n", "1 | \n", "ford torino | \n", "
| coef | std err | t | P>|t| | [0.025 | 0.975] | \n", "|
|---|---|---|---|---|---|---|
| Intercept | 7.0326 | 0.458 | 15.360 | 0.000 | 6.130 | 7.935 | \n", "
| TV | 0.0475 | 0.003 | 17.668 | 0.000 | 0.042 | 0.053 | \n", "
| coef | std err | t | P>|t| | [0.025 | 0.975] | \n", "|
|---|---|---|---|---|---|---|
| Intercept | 9.3116 | 0.563 | 16.542 | 0.000 | 8.202 | 10.422 | \n", "
| Radio | 0.2025 | 0.020 | 9.921 | 0.000 | 0.162 | 0.243 | \n", "
| coef | std err | t | P>|t| | [0.025 | 0.975] | \n", "|
|---|---|---|---|---|---|---|
| Intercept | 12.3514 | 0.621 | 19.876 | 0.000 | 11.126 | 13.577 | \n", "
| Newspaper | 0.0547 | 0.017 | 3.300 | 0.001 | 0.022 | 0.087 | \n", "
| Dep. Variable: | Sales | R-squared: | 0.897 | \n", "
|---|---|---|---|
| Model: | OLS | Adj. R-squared: | 0.896 | \n", "
| Method: | Least Squares | F-statistic: | 570.3 | \n", "
| Date: | Wed, 20 Jun 2018 | Prob (F-statistic): | 1.58e-96 | \n", "
| Time: | 19:03:45 | Log-Likelihood: | -386.18 | \n", "
| No. Observations: | 200 | AIC: | 780.4 | \n", "
| Df Residuals: | 196 | BIC: | 793.6 | \n", "
| Df Model: | 3 | \n", " | |
| Covariance Type: | nonrobust | \n", " |
| coef | std err | t | P>|t| | [0.025 | 0.975] | \n", "|
|---|---|---|---|---|---|---|
| Intercept | 2.9389 | 0.312 | 9.422 | 0.000 | 2.324 | 3.554 | \n", "
| TV | 0.0458 | 0.001 | 32.809 | 0.000 | 0.043 | 0.049 | \n", "
| Radio | 0.1885 | 0.009 | 21.893 | 0.000 | 0.172 | 0.206 | \n", "
| Newspaper | -0.0010 | 0.006 | -0.177 | 0.860 | -0.013 | 0.011 | \n", "
| Omnibus: | 60.414 | Durbin-Watson: | 2.084 | \n", "
|---|---|---|---|
| Prob(Omnibus): | 0.000 | Jarque-Bera (JB): | 151.241 | \n", "
| Skew: | -1.327 | Prob(JB): | 1.44e-33 | \n", "
| Kurtosis: | 6.332 | Cond. No. | 454. | \n", "
| \n", " | TV | \n", "Radio | \n", "Newspaper | \n", "Sales | \n", "
|---|---|---|---|---|
| TV | \n", "1.000000 | \n", "0.054809 | \n", "0.056648 | \n", "0.782224 | \n", "
| Radio | \n", "0.054809 | \n", "1.000000 | \n", "0.354104 | \n", "0.576223 | \n", "
| Newspaper | \n", "0.056648 | \n", "0.354104 | \n", "1.000000 | \n", "0.228299 | \n", "
| Sales | \n", "0.782224 | \n", "0.576223 | \n", "0.228299 | \n", "1.000000 | \n", "
| \n", " | Radio | \n", "TV | \n", "
|---|---|---|
| count | \n", "200.000000 | \n", "200.000000 | \n", "
| mean | \n", "23.264000 | \n", "147.042500 | \n", "
| std | \n", "14.846809 | \n", "85.854236 | \n", "
| min | \n", "0.000000 | \n", "0.700000 | \n", "
| 25% | \n", "9.975000 | \n", "74.375000 | \n", "
| 50% | \n", "22.900000 | \n", "149.750000 | \n", "
| 75% | \n", "36.525000 | \n", "218.825000 | \n", "
| max | \n", "49.600000 | \n", "296.400000 | \n", "
| coef | std err | t | P>|t| | [0.025 | 0.975] | \n", "|
|---|---|---|---|---|---|---|
| Intercept | 6.7502 | 0.248 | 27.233 | 0.000 | 6.261 | 7.239 | \n", "
| TV | 0.0191 | 0.002 | 12.699 | 0.000 | 0.016 | 0.022 | \n", "
| Radio | 0.0289 | 0.009 | 3.241 | 0.001 | 0.011 | 0.046 | \n", "
| TV:Radio | 0.0011 | 5.24e-05 | 20.727 | 0.000 | 0.001 | 0.001 | \n", "
| \n", " | mpg | \n", "cylinders | \n", "displacement | \n", "horsepower | \n", "weight | \n", "acceleration | \n", "year | \n", "origin | \n", "name | \n", "horsepower2 | \n", "
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | \n", "18.0 | \n", "8 | \n", "307.0 | \n", "130.0 | \n", "3504 | \n", "12.0 | \n", "70 | \n", "1 | \n", "chevrolet chevelle malibu | \n", "16900.0 | \n", "
| 1 | \n", "15.0 | \n", "8 | \n", "350.0 | \n", "165.0 | \n", "3693 | \n", "11.5 | \n", "70 | \n", "1 | \n", "buick skylark 320 | \n", "27225.0 | \n", "
| 2 | \n", "18.0 | \n", "8 | \n", "318.0 | \n", "150.0 | \n", "3436 | \n", "11.0 | \n", "70 | \n", "1 | \n", "plymouth satellite | \n", "22500.0 | \n", "
| coef | std err | t | P>|t| | [0.025 | 0.975] | \n", "|
|---|---|---|---|---|---|---|
| Intercept | 56.9001 | 1.800 | 31.604 | 0.000 | 53.360 | 60.440 | \n", "
| horsepower | -0.4662 | 0.031 | -14.978 | 0.000 | -0.527 | -0.405 | \n", "
| horsepower2 | 0.0012 | 0.000 | 10.080 | 0.000 | 0.001 | 0.001 | \n", "