Normalized conformal prediction for timeseries data

Kowalczewski, Jakub (2018). Normalized conformal prediction for timeseries data. Thesis (Master thesis), E.T.S. de Ingenieros Informáticos (UPM).


Title: Normalized conformal prediction for timeseries data
  • Kowalczewski, Jakub
  • Boström, Henrik
  • Girdzijauskas, Šarūnas
Item Type: Thesis (Master thesis)
Masters title: Data Science
Date: 2018
Freetext Keywords: Conformal prediction; Normalized conformal prediction; Time series; Forecasting
Faculty: E.T.S. de Ingenieros Informáticos (UPM)
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Every forecast is valid only if proper prediction intervals are stated. Currentlymodels focus mainly on point forecast and neglect the area of prediction intervals.The estimation of the error of the model is made and is applied to everyprediction in the same way, whereas we could identify that every case is differentand different error measure should be applied to every instance. One ofthe state-of-the-art techniques which can address this behaviour is conformalprediction with its variant of normalized conformal prediction. In this thesiswe apply this technique into time series problems. The special focus is putto examine the technique of estimating the difficulty of every instance usingthe error of neighbouring instances. This thesis describes the entire process ofadjusting time series data into normalized conformal prediction framework andthe comparison with other techniques will be made. The final results do not showthat aforementioned method is superior over an existing techniques - in varioussetups different method performed the best. However, it is similar in terms ofperformance. Therefore, it is an interesting add-on to data science forecastingtoolkit.

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Item ID: 57817
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Deposited by: Biblioteca Facultad de Informatica
Deposited on: 31 Jan 2020 09:21
Last Modified: 31 Jan 2020 09:21
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