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1\begin{tabular}{p{0.8\textwidth}r}2\toprule3Step & n \\4\midrule5Single-family transactions, raw & 456,950 \\6Not matched to the assessment roll & 9,255 \\7Duplicates (same unit, same date) & 355 \\8Roll unit not a single dwelling or more than one dwelling & 29,509 \\9Coordinates missing or outside Quebec & 0 \\10Living area missing or outside [40, 600] m$^2$ & 3,797 \\11Lot area missing or outside [80, 20,000] m$^2$ & 4,278 \\12Year built missing, before 1850 or after the sale (land sale) & 2,393 \\13Sale in the year of construction (lot or unfinished building) & 5,427 \\14Price outside [\$50,000, \$3,000,000] & 528 \\15Assessed value missing or price/assessment ratio outside [0.33, 3] & 8,074 \\16Resale within 180 days with price change above 40\% (flip) & 794 \\17Physical link or construction type missing & 1,512 \\18Municipality absent from the MAMH directory & 32 \\19Final sample & 390,996 \\20\bottomrule21\end{tabular}22