In this paper we study the influence of superstitions related to numbers 13 and 7 on people's buying behavior in the apartment market. A unique feature of our methodology is that we use real sales data instead of survey or pricing data. Based on the dataset from Saint-Petersburg primary real...

In this study we demonstrate how publicly available data can be used to work out the indirect importance of various hotel attributes for their visitors. We apply Shapley value decomposition of the recommendation rate to compute the percentage contributions of various attributes to the overall...

In this paper an approach for automatic detection of segments where a regression model significantly underperforms and for detecting segments with systematically under- or overestimated prediction is introduced. This segmentational approach is applicable to various expert systems including, but...