Cross-validation folds

R^2 and RMSE per fold: the 2021 notebook, the 2021 coefficients scored on the revived folds, and the 2026 refit.

model_folds, page 1 of 1
foldINTEGER	test_rowsINTEGER	notebook_r2REAL	notebook_rmseREAL	original_on_revived_r2REAL	original_on_revived_rmseREAL	refit_r2REAL	refit_rmseREAL	refit_nonzeroINTEGER
1	7493562	0.36760282845620995	9.174372358224751	0.3669883048722882	9.175997983269042	0.3669944468601771	9.17595346670985	83
2	7497013	0.36678708264393634	9.170723327292436	0.3679509654123714	9.170131917316452	0.3678811376682801	9.170638453918123	83
3	7492736	0.3670465584538307	9.16956723009064	0.36824785998255327	9.173581093742307	0.3682156342779589	9.173815063147241	83
4	7493882	0.3654535560556006	9.170685124340627	0.36777048579691163	9.19314700427196	0.36772802742011146	9.193455689280881	83
5	7490890	0.366036933775323	9.17542554156678	0.3684478154716768	9.175648714318017	0.3684258240621624	9.17580846651016	83
6	7494523	0.3662072716006791	9.177786930574978	0.3680629025102393	9.191078004969796	0.36793312015445145	9.19202175279113	83
7	7495512	0.3663915797273418	9.171276980817	0.3680613339710468	9.189061886390034	0.3680418802595298	9.189203324153638	83
8	7499192	0.3666518867805053	9.17923660722613	0.3688530531414992	9.167112237152196	0.36879505612743324	9.167533417137854	83
9	7494014	0.36611114335737716	9.182336881837195	0.3687172587386859	9.180140630659297	0.3686453457442038	9.180663496690215	83
10	7490031	0.3669612540790398	9.174433417750326	0.3678834102222547	9.178001075493459	0.3678355580152164	9.178348463383038	83