Multiple Linear Regression - Estimated Regression Equation |
a[t] = + 51.5827 + 0.0757179b[t] -3.46203c[t] + e[t] |
Multiple Linear Regression - Ordinary Least Squares | |||||
Variable | Parameter | S.D. | T-STAT H0: parameter = 0 | 2-tail p-value | 1-tail p-value |
(Intercept) | +51.58 | 8.825 | +5.8450e+00 | 2.778e-06 | 1.389e-06 |
b | +0.07572 | 0.05531 | +1.3690e+00 | 0.1819 | 0.09095 |
c | -3.462 | 0.957 | -3.6180e+00 | 0.00116 | 0.0005798 |
Multiple Linear Regression - Regression Statistics | |
Multiple R | 0.5699 |
R-squared | 0.3248 |
Adjusted R-squared | 0.2766 |
F-TEST (value) | 6.734 |
F-TEST (DF numerator) | 2 |
F-TEST (DF denominator) | 28 |
p-value | 0.004094 |
Multiple Linear Regression - Residual Statistics | |
Residual Standard Deviation | 2.159 |
Sum Squared Residuals | 130.5 |
Menu of Residual Diagnostics | |
Description | Link |
Histogram | Compute |
Central Tendency | Compute |
QQ Plot | Compute |
Kernel Density Plot | Compute |
Skewness/Kurtosis Test | Compute |
Skewness-Kurtosis Plot | Compute |
Harrell-Davis Plot | Compute |
Bootstrap Plot -- Central Tendency | Compute |
Blocked Bootstrap Plot -- Central Tendency | Compute |
(Partial) Autocorrelation Plot | Compute |
Spectral Analysis | Compute |
Tukey lambda PPCC Plot | Compute |
Box-Cox Normality Plot | Compute |
Summary Statistics | Compute |
Multiple Linear Regression - Actuals, Interpolation, and Residuals | |||
Time or Index | Actuals | Interpolation Forecast | Residuals Prediction Error |
1 | 22.66 | 20.09 | 2.57 |
2 | 18.95 | 19.46 | -0.5094 |
3 | 21.11 | 22.99 | -1.888 |
4 | 20.73 | 18.24 | 2.488 |
5 | 18.75 | 19.39 | -0.6362 |
6 | 13.68 | 17.14 | -3.462 |
7 | 20.83 | 20.76 | 0.06984 |
8 | 22.06 | 21.09 | 0.9679 |
9 | 20.05 | 19.31 | 0.745 |
10 | 22.66 | 20.17 | 2.485 |
11 | 24.28 | 22.17 | 2.107 |
12 | 17.07 | 20.56 | -3.489 |
13 | 21.11 | 21.52 | -0.4148 |
14 | 24.11 | 21.63 | 2.482 |
15 | 19.78 | 20.46 | -0.685 |
16 | 16.52 | 21.11 | -4.585 |
17 | 18.3 | 18.96 | -0.6568 |
18 | 22.35 | 22.14 | 0.2023 |
19 | 21.02 | 21.7 | -0.6856 |
20 | 19.48 | 18.64 | 0.8339 |
21 | 16.52 | 16.99 | -0.4744 |
22 | 16.16 | 19.34 | -3.179 |
23 | 24.02 | 21.45 | 2.571 |
24 | 21.59 | 19.15 | 2.438 |
25 | 20.05 | 20.36 | -0.3048 |
26 | 18.3 | 21.18 | -2.884 |
27 | 22.18 | 20.39 | 1.781 |
28 | 22.23 | 19.89 | 2.341 |
29 | 21.59 | 21.98 | -0.3906 |
30 | 19.92 | 21.79 | -1.872 |
31 | 22.4 | 20.37 | 2.035 |
Goldfeld-Quandt test for Heteroskedasticity | |||
p-values | Alternative Hypothesis | ||
breakpoint index | greater | 2-sided | less |
6 | 0.4969 | 0.9938 | 0.5031 |
7 | 0.6202 | 0.7595 | 0.3798 |
8 | 0.6201 | 0.7597 | 0.3799 |
9 | 0.5217 | 0.9567 | 0.4783 |
10 | 0.4998 | 0.9996 | 0.5002 |
11 | 0.4347 | 0.8694 | 0.5653 |
12 | 0.6439 | 0.7122 | 0.3561 |
13 | 0.5274 | 0.9452 | 0.4726 |
14 | 0.6092 | 0.7817 | 0.3908 |
15 | 0.4988 | 0.9976 | 0.5012 |
16 | 0.7047 | 0.5906 | 0.2953 |
17 | 0.6207 | 0.7586 | 0.3793 |
18 | 0.5231 | 0.9539 | 0.4769 |
19 | 0.404 | 0.808 | 0.596 |
20 | 0.3324 | 0.6647 | 0.6676 |
21 | 0.2598 | 0.5196 | 0.7402 |
22 | 0.5506 | 0.8987 | 0.4494 |
23 | 0.9152 | 0.1697 | 0.08485 |
24 | 0.8474 | 0.3051 | 0.1526 |
25 | 0.721 | 0.5581 | 0.279 |
Meta Analysis of Goldfeld-Quandt test for Heteroskedasticity | |||
Description | # significant tests | % significant tests | OK/NOK |
1% type I error level | 0 | 0 | OK |
5% type I error level | 0 | 0 | OK |
10% type I error level | 0 | 0 | OK |
Ramsey RESET F-Test for powers (2 and 3) of fitted values |
> reset_test_fitted RESET test data: mylm RESET = 0.89829, df1 = 2, df2 = 26, p-value = 0.4195 |
Ramsey RESET F-Test for powers (2 and 3) of regressors |
> reset_test_regressors RESET test data: mylm RESET = 0.21554, df1 = 4, df2 = 24, p-value = 0.9272 |
Ramsey RESET F-Test for powers (2 and 3) of principal components |
> reset_test_principal_components RESET test data: mylm RESET = 0.29568, df1 = 2, df2 = 26, p-value = 0.7465 |
Variance Inflation Factors (Multicollinearity) |
> vif b c 1.046821 1.046821 |