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UQO Working Paper No. 11 — Half a million prices, twenty models: a systematic assessment of hedonic specifications.

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1name,group,mdape,mape,rmse_ln,r2_ln,seconds,n_train,n_test2A1 Linear (levels),A. Functional form,20.369511213481317,32.86005001443525,0.39728743801570204,0.4552239614410175,0.4,355824,1583883A2 Semi-log,A. Functional form,20.611640132255836,33.09824319242239,0.3964345928808567,0.45756036006756484,0.5,355824,1583884A3 Log-log,A. Functional form,19.189006525695262,30.749155508273613,0.3757555688314752,0.5126744490905257,0.8,355824,1583885A4 Box-Cox,A. Functional form,20.957181720703545,31.940298396980698,0.38962419749983584,0.47603753989498354,3.8,355824,1583886A5 Semi-log + quadratics,A. Functional form,20.4747492500219,32.08431941207347,0.3884352669819105,0.47923038313059785,0.6,355824,1583887A6 Semi-log + splines,A. Functional form,19.097413080353302,30.49261711294047,0.37228529384601217,0.5216342331571537,2.1,355824,1583888B1 No time effects,B. Time effects,25.384810383977687,33.162107080537304,0.41811180324070163,0.39661683797944225,0.5,355824,1583889B2 Year FE,B. Time effects,21.006054587504984,32.62538772051225,0.39253658926914514,0.46817515745089067,0.6,355824,15838810B3 Quarter FE,B. Time effects,20.4747492500219,32.08431941207347,0.3884352669819105,0.47923038313059785,0.6,355824,15838811B4 Month FE,B. Time effects,20.347788061301657,32.47788422275795,0.38952457659313394,0.4763054439041552,0.6,355824,15838812C1 No spatial controls,C. Spatial controls,26.45586672540444,41.108374756471996,0.45691339109589413,0.2794301211279968,0.4,355824,15838813C2 Municipality FE,C. Spatial controls,20.4747492500219,32.08431941207347,0.3884352669819105,0.47923038313059785,0.6,355824,15838814C3 Grid-cell FE (~5.5 km),C. Spatial controls,21.279243946393596,32.712624877555356,0.39371599730320833,0.464974534611328,0.6,355824,15838815C4 Grid-cell FE (~1.1 km),C. Spatial controls,22.091478382056824,36.02185035008858,0.41700099046919065,0.39981863895351477,0.7,355824,15838816D1 OLS (muni + month FE),D. Estimation method,20.347788061301657,32.47788422275795,0.38952457659313394,0.4763054439041552,0.6,355824,15838817D2 Ridge (cross-validated),D. Estimation method,19.520136279141678,30.594351068378263,0.3747175016019065,0.5153633136379877,8.6,355824,15838818D3 Random forest,D. Estimation method,21.34011982105225,29.76443050482997,0.37332513269156825,0.5189582317282835,6.8,355824,15838819D4 Gradient boosting,D. Estimation method,21.21243467837447,29.71192710420828,0.37236811207724885,0.5214213758996993,41.5,355824,15838820"D5 Gradient boosting, no coordinates",D. Estimation method,26.207233073287274,35.736727341535484,0.44725743322834494,0.3095639406099918,21.1,355824,15838821D6 Spatial k-NN comparables,D. Estimation method,25.63120139114109,34.234843881635754,0.4653714833711972,0.2525057333957209,0.1,355824,15838822