Recovering Gaps in Test Results and Identification of Operator Staff
Journal Title: Vìsnik Nacìonalʹnogo unìversitetu "Lʹvìvsʹka polìtehnìka". Serìâ Ìnformacìjnì sistemi ta merežì - Year 2018, Vol 887, Issue
Abstract
The article addresses the problem of the restoration of missed values in the results of testing the recipients given by the time series. As experimental data, the time series with spaces are given. Recovery efficiency is estimated by the relative error of the recovered value. Examples of restoration missing data in the time series table and the individual time series are given. Used simple methods for replacing missed value by average, weighted average and median. For these time series, the good results provide the median of the output time series with the missing values and fill the values of the trend model – the polynomial of the third degree.
Authors and Affiliations
Nataliia Kunanets, Volodymyr Pasichnyk, A. M. Khudiy, R. M. Kaminsky
Keywords
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