some features still need some basic explanation e.g building dimension being less than 30 and the num of window with the (.)
BroBros real life data with their error
yes...thats d point/\......DSN deliberately messed up d data for our sake......
meanwhile, as for that building dimension below 30, i sugest you treat it as a nan value the fill with a forward fill method
hmm thanks @chuka would try that