| Multiple Linear Regression - Estimated Regression Equation |
| Prijs[t] = -352.1419892666 + 0.00491727838362965Geheugen[t] + 4.79290505124356Gewicht[t] + 65.5523669808706WiFi[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) | -352.1419892666 | 66.484572 | -5.2966 | 2e-06 | 1e-06 |
| Geheugen | 0.00491727838362965 | 0.001748 | 2.8124 | 0.006769 | 0.003384 |
| Gewicht | 4.79290505124356 | 0.73517 | 6.5194 | 0 | 0 |
| WiFi | 65.5523669808706 | 31.964572 | 2.0508 | 0.044979 | 0.022489 |
| Multiple Linear Regression - Regression Statistics | |
| Multiple R | 0.88279250827681 |
| R-squared | 0.779322612669661 |
| Adjusted R-squared | 0.767500609776964 |
| F-TEST (value) | 65.9213688021598 |
| F-TEST (DF numerator) | 3 |
| F-TEST (DF denominator) | 56 |
| p-value | 0 |
| Multiple Linear Regression - Residual Statistics | |
| Residual Standard Deviation | 85.2302625557997 |
| Sum Squared Residuals | 406795.068698511 |
| Multiple Linear Regression - Actuals, Interpolation, and Residuals | |||
| Time or Index | Actuals | Interpolation Forecast | Residuals Prediction Error |
| 1 | 129.99 | 164.090970882674 | -34.1009708826743 |
| 2 | 59.99 | 57.7103999553276 | 2.27960004467244 |
| 3 | 49.99 | 60.1216043161002 | -10.1316043161002 |
| 4 | 84.99 | 98.5877766856394 | -13.5977766856394 |
| 5 | 179.99 | 238.354674832237 | -58.3646748322365 |
| 6 | 329.99 | 286.349091336455 | 43.6409086635454 |
| 7 | 25.99 | -6.97414912292595 | 32.964149122926 |
| 8 | 499.99 | 423.755311957406 | 76.2346880425945 |
| 9 | 89.99 | 140.603070949923 | -50.6130709499229 |
| 10 | 119.99 | 126.288280415179 | -6.29828041517944 |
| 11 | 79.99 | 97.4721934468596 | -17.4821934468596 |
| 12 | 199.99 | 222.717136412297 | -22.7271364122967 |
| 13 | 449.99 | 299.403617232194 | 150.586382767806 |
| 14 | 549.99 | 504.737204499002 | 45.2527955009983 |
| 15 | 529.99 | 399.790786701188 | 130.199213298812 |
| 16 | 639.99 | 463.093539026443 | 176.896460973557 |
| 17 | 749.99 | 541.769993164517 | 208.220006835483 |
| 18 | 399.99 | 361.091805822022 | 38.8981941779775 |
| 19 | 169.99 | 237.095851566027 | -67.1058515660273 |
| 20 | 189.99 | 399.790786701188 | -209.800786701188 |
| 21 | 199.99 | 399.790786701188 | -199.800786701188 |
| 22 | 69.99 | 79.3178109129926 | -9.32781091299259 |
| 23 | 69.99 | 79.3178109129926 | -9.32781091299259 |
| 24 | 109.99 | 101.660273256917 | 8.32972674308329 |
| 25 | 159.99 | 212.501914676705 | -52.5119146767049 |
| 26 | 159.99 | 212.501914676705 | -52.5119146767049 |
| 27 | 199.99 | 365.36983801578 | -165.37983801578 |
| 28 | 75 | 36.2308382356369 | 38.7691617643631 |
| 29 | 349.99 | 319.834060703377 | 30.155939296623 |
| 30 | 439.99 | 423.755311957406 | 16.2346880425944 |
| 31 | 309.99 | 291.076630395916 | 18.9133696040844 |
| 32 | 379.99 | 291.076630395916 | 88.9133696040844 |
| 33 | 349.99 | 243.14757988348 | 106.84242011652 |
| 34 | 169.99 | 166.750579533913 | 3.23942046608679 |
| 35 | 239.99 | 289.503101313154 | -49.5131013131542 |
| 36 | 229.99 | 281.490820293429 | -51.5008202934285 |
| 37 | 69.99 | 55.5696459056545 | 14.4203540943455 |
| 38 | 99.99 | 98.4894311179668 | 1.50056888203317 |
| 39 | 29.99 | -4.1377443192489 | 34.1277443192489 |
| 40 | 39.99 | 21.7636120710009 | 18.2263879289991 |
| 41 | 21.99 | -40.5638227086999 | 62.5538227086999 |
| 42 | 499.99 | 336.783071078951 | 163.206928921049 |
| 43 | 29.99 | -16.6337184011675 | 46.6237184011675 |
| 44 | 29.99 | 24.1207263695536 | 5.86927363044637 |
| 45 | 49.99 | 96.1519859329486 | -46.1619859329486 |
| 46 | 49.99 | 31.3395876167207 | 18.6504123832793 |
| 47 | 55.99 | 25.5881015552285 | 30.4018984447715 |
| 48 | 59.99 | 80.7015923661457 | -20.7115923661457 |
| 49 | 79.99 | 68.3433020789687 | 11.6466979210313 |
| 50 | 139.99 | 160.949632414026 | -20.9596324140256 |
| 51 | 159.99 | 157.895919483394 | 2.09408051660558 |
| 52 | 169.99 | 207.305792798004 | -37.3157927980037 |
| 53 | 229.99 | 474.669322447108 | -244.679322447107 |
| 54 | 249.99 | 261.791526874213 | -11.8015268742134 |
| 55 | 309.99 | 328.161047539655 | -18.1710475396549 |
| 56 | 499.99 | 424.750298616494 | 75.2397013835056 |
| 57 | 65.99 | 98.4255064989796 | -32.4355064989796 |
| 58 | 89.99 | 180.106500783849 | -90.1165007838489 |
| 59 | 89.99 | 103.675718439901 | -13.6857184399008 |
| 60 | 449.99 | 534.987114795096 | -84.9971147950962 |
| Goldfeld-Quandt test for Heteroskedasticity | |||
| p-values | Alternative Hypothesis | ||
| breakpoint index | greater | 2-sided | less |
| 7 | 0.00705927611106853 | 0.0141185522221371 | 0.992940723888932 |
| 8 | 0.0436212166979982 | 0.0872424333959963 | 0.956378783302002 |
| 9 | 0.020779349001036 | 0.0415586980020719 | 0.979220650998964 |
| 10 | 0.00760215316520184 | 0.0152043063304037 | 0.992397846834798 |
| 11 | 0.00261163087571336 | 0.00522326175142672 | 0.997388369124287 |
| 12 | 0.000786125088657966 | 0.00157225017731593 | 0.999213874911342 |
| 13 | 0.0671003040308729 | 0.134200608061746 | 0.932899695969127 |
| 14 | 0.0424273411162133 | 0.0848546822324265 | 0.957572658883787 |
| 15 | 0.0365808017311721 | 0.0731616034623443 | 0.963419198268828 |
| 16 | 0.0336014166858428 | 0.0672028333716855 | 0.966398583314157 |
| 17 | 0.109722532586752 | 0.219445065173504 | 0.890277467413248 |
| 18 | 0.0773193262002966 | 0.154638652400593 | 0.922680673799703 |
| 19 | 0.0963779463366685 | 0.192755892673337 | 0.903622053663331 |
| 20 | 0.868669075183752 | 0.262661849632495 | 0.131330924816247 |
| 21 | 0.989042421957052 | 0.021915156085896 | 0.010957578042948 |
| 22 | 0.981701142298876 | 0.0365977154022482 | 0.0182988577011241 |
| 23 | 0.97063523467022 | 0.0587295306595604 | 0.0293647653297802 |
| 24 | 0.95681431329305 | 0.0863713734139007 | 0.0431856867069504 |
| 25 | 0.949546847446443 | 0.100906305107113 | 0.0504531525535567 |
| 26 | 0.94561212807735 | 0.108775743845301 | 0.0543878719226505 |
| 27 | 0.989022927854407 | 0.021954144291186 | 0.010977072145593 |
| 28 | 0.983268272729173 | 0.0334634545416547 | 0.0167317272708274 |
| 29 | 0.975661920562365 | 0.048676158875269 | 0.0243380794376345 |
| 30 | 0.965373087040546 | 0.0692538259189083 | 0.0346269129594542 |
| 31 | 0.949647772444327 | 0.100704455111345 | 0.0503522275556727 |
| 32 | 0.952678847260646 | 0.0946423054787079 | 0.047321152739354 |
| 33 | 0.962268104993976 | 0.0754637900120473 | 0.0377318950060236 |
| 34 | 0.943405218559852 | 0.113189562880296 | 0.056594781440148 |
| 35 | 0.934579958803427 | 0.130840082393145 | 0.0654200411965725 |
| 36 | 0.936386778088844 | 0.127226443822311 | 0.0636132219111556 |
| 37 | 0.905814101031901 | 0.188371797936199 | 0.0941858989680994 |
| 38 | 0.86457783760724 | 0.270844324785521 | 0.13542216239276 |
| 39 | 0.814674289961074 | 0.370651420077852 | 0.185325710038926 |
| 40 | 0.750707175129819 | 0.498585649740361 | 0.249292824870181 |
| 41 | 0.696591911333808 | 0.606816177332383 | 0.303408088666192 |
| 42 | 0.906927088166563 | 0.186145823666874 | 0.0930729118334369 |
| 43 | 0.86866707578619 | 0.26266584842762 | 0.13133292421381 |
| 44 | 0.808851950244995 | 0.382296099510009 | 0.191148049755005 |
| 45 | 0.755013546744872 | 0.489972906510256 | 0.244986453255128 |
| 46 | 0.668799890364505 | 0.662400219270989 | 0.331200109635495 |
| 47 | 0.578591868391274 | 0.842816263217453 | 0.421408131608726 |
| 48 | 0.472261483783664 | 0.944522967567329 | 0.527738516216336 |
| 49 | 0.365257426772486 | 0.730514853544971 | 0.634742573227514 |
| 50 | 0.260066139251404 | 0.520132278502808 | 0.739933860748596 |
| 51 | 0.281534201514213 | 0.563068403028426 | 0.718465798485787 |
| 52 | 0.272932590293118 | 0.545865180586236 | 0.727067409706882 |
| 53 | 0.646456901470779 | 0.707086197058443 | 0.353543098529221 |
| Meta Analysis of Goldfeld-Quandt test for Heteroskedasticity | |||
| Description | # significant tests | % significant tests | OK/NOK |
| 1% type I error level | 2 | 0.0425531914893617 | NOK |
| 5% type I error level | 10 | 0.212765957446809 | NOK |
| 10% type I error level | 19 | 0.404255319148936 | NOK |
