1term,Estimate,Std. Error,t value,Pr(>|t|),2.5%,97.5%2age_at_cut,-0.013348758709222466,0.0026183441572933557,-5.098168119740758,4.371114128431941e-07,-0.01848911831596031,-0.0082083991024846233I(age_at_cut ** 2),0.0002282479222578378,4.290982351205079e-05,5.319246353780427,1.3859574865549007e-07,0.000144006924794156,0.00031248891972151964ldens,-0.026725060380690398,0.011462471125853215,-2.331526953242476,0.01999607772484624,-0.0492282990800839,-0.0042218216812968985resid_A2,2.2240836123168304,0.221438188454481,10.043812351608064,0.0,1.7893539316711529,2.6588132929625086lprice,-1.5263521385388088,0.116674680262832,-13.082119746121517,0.0,-1.7554090453176678,-1.29729523175994987lkm,-0.19385693549420582,0.01822176503689294,-10.638757282936684,0.0,-0.22963008804109544,-0.15808378294731628age_years_entry,-0.06883920706535422,0.01042725493820421,-6.601853265631363,7.79944997475468e-11,-0.08931009892431827,-0.048368315206390189C(powertrain)[T.Diesel],0.22408952885978362,0.08796153648933641,2.5475854311270476,0.011050492385732635,0.05140255497328586,0.396776502746281410C(powertrain)[T.HEV],0.18005933025623166,0.06701804273903582,2.686729168701207,0.007379253104227823,0.04848883412462893,0.3116298263878344311C(powertrain)[T.ICE],0.03474186622671086,0.059418128259466074,0.5847014580297897,0.558928641811621,-0.08190840129528612,0.1513921337487078612C(powertrain)[T.PHEV],0.09077141879012413,0.08697701433255949,1.0436253702967615,0.2970032786092003,-0.07998273128765551,0.261525568867903813C(powertrain)[T.unknown],0.06266959469933052,0.07013121621354149,0.8936048464995789,0.37182704770323527,-0.07501271493568083,0.2003519043343418614C(body_filled)[T.Coupe],0.16254572346465263,0.11314718422032304,1.4365865539184741,0.1512627532379276,-0.0595859675745824,0.3846774145038876515C(body_filled)[T.Hatchback],-0.15019804311807533,0.1374042708971599,-1.0931104407263361,0.2747049148767948,-0.4199514909013306,0.1195554046651799416C(body_filled)[T.Pickup],0.06155017305418247,0.21197472160323078,0.2903656275081263,0.7716187763692584,-0.35460073420665655,0.477701080315021517C(body_filled)[T.SUV],-0.06582878279528162,0.1288066614939903,-0.5110666019268962,0.609458526382145,-0.3187033172517848,0.1870457516612215318C(body_filled)[T.Sedan],-0.08767515320796117,0.12154157541762803,-0.7213593612449178,0.4709187766654206,-0.3262867975465316,0.150936491130609319C(body_filled)[T.Van],-0.1440664270656347,0.15061336363670322,-0.9565315028295862,0.3391195697123788,-0.43975209868236487,0.1516192445510955220C(body_filled)[T.Wagon],-0.04443045463468899,0.19090373306432837,-0.2327374846028672,0.816030318519696,-0.4192145850882441,0.3303536758188661521C(source_class)[T.direct_dealer],-0.19126855919717053,0.04050271349614457,-4.722364076060663,2.7943827183296577e-06,-0.27078389404684017,-0.1117532243475009222C(source_class)[T.full_portal],-0.07283140955672229,0.03283953444859019,-2.217796652103543,0.026874975504878496,-0.13730231416007616,-0.0083605049533684323