Non-asymptotic Calibration and Resolution


We analyze a new algorithm for probability forecasting of binary observations on the basis of the available data, without making any assumptions about the way the observations are generated. The algorithm is shown to be well calibrated and to have good resolution for long enough sequences of observations and for a suitable choice of its parameter, a kernel on the Cartesian product of the forecast space [0, 1] and the data space. Our results are non-asymptotic: we establish explicit inequalities, shown to be tight, for the performance of the algorithm.

DOI: 10.1007/11564089_33

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@article{Vovk2005NonasymptoticCA, title={Non-asymptotic Calibration and Resolution}, author={Vladimir Vovk}, journal={Theor. Comput. Sci.}, year={2005}, volume={387}, pages={77-89} }