基本呈线性关系
OLS Regression Results
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Dep. Variable: sales R-squared: 1.000
Model: OLS Adj. R-squared: 1.000
Method: Least Squares F-statistic: 8071.
Date: Thu, 24 Jun 2021 Prob (F-statistic): 0.000124
Time: 14:32:10 Log-Likelihood: -7.2201
No. Observations: 4 AIC: 18.44
Df Residuals: 2 BIC: 17.21
Df Model: 1
Covariance Type: nonrobust
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coef std err t P>|t| [0.025 0.975]
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Intercept 6.2871 2.395 2.625 0.120 -4.018 16.592
TV 1.1142 0.012 89.841 0.000 1.061 1.168
==============================================================================
Omnibus: nan Durbin-Watson: 2.835
Prob(Omnibus): nan Jarque-Bera (JB): 0.808
Skew: 1.036 Prob(JB): 0.668
Kurtosis: 2.255 Cond. No. 445.
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Notes:
[1] Standard Errors assume that the covariance matrix of the errors is correctly specified.
Intercept 6.287104
TV 1.114189
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