Institutsseminar/2019-08-16: Unterschied zwischen den Versionen
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Aktuelle Version vom 7. Mai 2019, 14:50 Uhr
Datum | Freitag, 16. August 2019 | |
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Uhrzeit | 11:30 – 12:00 Uhr (Dauer: 30 min) | |
Ort | Raum 348 (Gebäude 50.34) | |
Webkonferenz | ||
Vorheriger Termin | Fr 9. August 2019 | |
Nächster Termin | Fr 23. August 2019 |
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Vorträge
Vortragende(r) | Huijie Wang |
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Titel | Predictability of Classfication Performance Measures with Meta-Learning |
Vortragstyp | Bachelorarbeit |
Betreuer(in) | Jakob Bach |
Vortragsmodus | |
Kurzfassung | Choosing a suitable classifier for a given dataset is an important part in the process of solving a classification problem. Meta-learning, which learns about the learning algorithms themselves, can predict the performance of a classifier without training it. The effect of different types of performance measures remains unclear, as it is hard to draw a comparison between results of existing works, which are based on different meta-datasets as well as meta-models. In this thesis, we study the predictability of different classification performance measures with meta-learning, also we compare the performances of meta-learning using different meta-regression models. We conduct experiments with meta-datasets from previous studies considering 11 meta-targets and 6 meta-models. Additionally, we study the relation between different groups of meta-features and the performance of meta-learning. Results of our experiments show that meta-targets have similar predictability and the choice of meta-model has a big impact on the performance of meta-learning. |
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