Interpretation of conformal prediction classification models

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Published: 2015-04-20

Formatted citation

Ahlberg E, Spjuth O, Hasselgren C, Carlsson L. Interpretation of conformal prediction classification models.
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 9047, 323-334. (2015). DOI: 10.1007/978-3-319-17091-6_27


We present a method for interpretation of conformal prediction models. The discrete gradient of the largest p-value is calculated with respect to object space. A criterion is applied to identify the most important component of the gradient and the corresponding part of the object is visualized. The method is exemplified with data from drug discovery relating chemical compounds to mutagenicity. Furthermore, a comparison is made to already established important subgraphs with respect to mutagenicity and this initial assessment shows very useful results with respect to interpretation of a conformal predictor. © Springer International Publishing Switzerland 2015.