Towards-Effective-Decision-Making-Through-Data-Visualization-Six-World-Class-Enterprises-Show-The-Way

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Towards Effective Decision-Making Through Data Visualization: Six World-Class Enterprises Show The Way To improve on this, they “introduced an exponential demotion function based upon the distance between the center of the search and the listing location, which they applied on top of the listing’s quality score.” The logic behind being, listings that are closer to the center of the search area are more relevant to the query. Fig: SF heatmap with distance demotion. Image Source: nerds.airbnb.com FusionCharts 28
Towards Effective Decision-Making Through Data Visualization: Six World-Class Enterprises Show The Way Though this was a step forward in the right direction because it removed the issue of random locations, but the model overemphasized centrality, returning listings predominantly in the city center as opposed to other neighborhoods where people might prefer to stay. To improve on the algorithm further, they “tried shifting from an exponential to a sigmoid demotion curve. This had the benefit of an inflection point, which we could use to tune the demotion function in a more flexible manner.” Fig: Listing Density from City Center. Image Source: nerds.airbnb.com FusionCharts 29
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Towards-Effective-Decision-Making-Through-Data-Visualization-Six-World-Class-Enterprises-Show-The-Way

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