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1\begin{tabular}{llr}2\toprule3Factor & Level & Mean MdAPE \\4\midrule5Selection & least adjusted & 13.1 \\6Selection & nearest & 14.4 \\7Selection & compromise & 12.9 \\8Selection & most similar & 13.2 \\9Adjustment & conventional grid & 13.2 \\10Adjustment & GBM adjustments & 12.6 \\11Adjustment & hedonic grid & 13.1 \\12Adjustment & regional grid & 13.1 \\13Adjustment & local grid & 13.3 \\14Adjustment & time only & 14.7 \\15Adjustment & none & 15.4 \\16Adjustment & assessment ratio & 11.8 \\17Weighting & distance $\times$ recency $\times$ similarity & 13.6 \\18Weighting & 1/distance & 13.4 \\19Weighting & equal & 13.2 \\20Weighting & recency & 13.6 \\21Weighting & most similar & 13.1 \\22Reconciliation & mean & 13.6 \\23Reconciliation & median & 13.2 \\24\bottomrule25\end{tabular}26