作者: Martin Greiner , Matthias Thomas
DOI: 10.1080/10835547.2012.12089933
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摘要: We examine the possibilities and boundaries of sample-based valuation residential real estate portfolios using upstream principal component cluster analysis. seek to increase estimation accuracy without increasing total sample size. use a model portfolio about 2,400 properties in Germany discuss different stratification methods prior drawing fairly small samples, extrapolating value, calculating bootstrap confidence intervals estimate associated precision. The models described practice-oriented literature are thus refined theoretical statistical process.