Papers › Geometric goodness of fit measure to detect patterns in data point clouds
Geometric goodness of fit measure to detect patterns in data point clouds
Alberto Hernández, Maikol Solís, Ronald Zúñiga
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We derived a geometric goodness-of-fit index, similar to R² using topological data analysis techniques. We build the Vietoris-Rips complex from the data-cloud projected onto each variable. Estimating the area of the complex and their domain, we create an index that measures the emptiness of the space with respect to the data. We made the analysis with an own package called TopSA (Topological Sensitivy Analysis).
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