Conveners
Modelling 7
- Chair: Bjarne Bergquist (Luleå University of Technology)
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Prof. Christian Weiß (Helmut Schmidt University)15/09/2021, 14:00Modelling
In real applications, time series often exhibit missing observations such that standard analytical tools cannot be applied. While there are approaches of how to handle missing data in quantitative time series, the case of categorical time series seems not to have been treated so far. Both for the case of ordinal and nominal time series, solutions are developed that allow to analyze their...
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Jorge Romeu (Emeritus State Univ. of NY (SUNY))15/09/2021, 14:20Modelling
We summarize eleven months of pro-bono work on statistical modeling and analysis of Covid-19 topics. For each of the papers and tutorials included here we provide a one-paragraph summary and commentary, including methods used, results, and possible public health applications, as well as the ResearchGate url to access them. Section 1 is an Introduction. In Section 2 we describe the web page...
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Amalia Vanacore (Department of Industrial Engineering University of Naples Federico II), Maria Sole Pellegrino (Dept. of Industrial Engineering)15/09/2021, 14:40Modelling
An important issue in classification problems is the comparison of classifiers predictive performance, commonly measured as proportion of correct classifications and often referred to as accuracy or similarity measure.
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This paper suggests a two-step fixed-sequence approach in order to identify the best performing classifiers among those selected as suitable for the problem at hand. At the...