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Colloquium_2020-10-27_Nathalie_Japkowicz_Edited duration 1 hour 4 minutes Colloquium_2020-10-27_Nathalie_Japkowicz_Edited Colloquium_2020-10-27_Nathalie_Japkowicz_Edited	Colloquium_2020-10-27_Nathalie_Japkowicz_Edited Title: Harnessing Dataset Complexity in Classification Tasks Speaker: Nathalie Japkowicz ,Department of Computer Science, American University Date: October 27, 2020Abstract: The purpose of this… multi class simple divide unsupervised learning decision tree main knowledge multiclass classification hamming distance super ability japanese rock music groups coding matrix generate data mathematical logic principle component linear discrimination subclass mix networks small class long time intrusion detection multi modality isolation forest class imbalance problem class imbalance vowels versus consonants mathematical optimization error rates coding matrices positive class neural network feature selection honeywell main aspects fake data good question 3rd study breast cancer conquer strategy artificial intelligence selection methods binary classification statistical outliers dataset complexity indicator function class classification occupational safety and health decision analysis 1st step metric geometry learning methods classification problem class justification emerging technologies error correcting 2nd study convex hull multi model pseudo classes statistical classification 1st study supplies mix problem fitness function binary problem class overlap ability criterion conquer principle machine learning data set cluster updating data driven multi-modality main complexity supply store red class classification algorithms class problem classification imbalance domain distance thing clusters learning method study things methods classifier classes problems domains feature classifiers bit From Richard Ressler 16 plays 0
Colloquium_2020-10-13: Hitting objects with… duration 58 minutes 5 seconds Colloquium_2020-10-13: Hitting objects with… Colloquium_2020-10-13: Hitting objects with random walks	Colloquium_2020-10-13: Hitting objects with random walks Speaker: Dr. John P. Nolan Abstract: Random walks are a powerful tool for studying the structure of complicated objects. This talk describes the key ideas for classical Brownian motion and its… colloidal chemistry probability point statistical mechanics spheres chemical compounds 2 (number) mathematicians mathematical logic solutions hyperbolic space filename extensions dimensional space lévy processes surfaces capacity thing fractals simple rejection homogeneous spaces start location random variable expected number field theory special mention wiener process random walks vowel letters caption complete random walk stable process elementary shapes variants of random walks discrete approximation brownian motion elementary geometry continuous time random robert brown (botanist) independent increment problem topology randomness geometry characteristic dimension complicated shape algorithms distribution probability theory theoretical computer science alpha motion ball lot space object locations idea function dimensions region process problems things From Richard Ressler 24 plays 0

Colloquium_2020-10-27_Nathalie_Japkowicz_Edited

duration 1 hour 4 minutes

Colloquium_2020-10-27_Nathalie_Japkowicz_Edited

Title: Harnessing Dataset Complexity in Classification Tasks Speaker: Nathalie Japkowicz ,Department of Computer Science, American University Date: October 27, 2020Abstract: The purpose of this…

multi class

simple divide

unsupervised learning

decision tree

main knowledge

multiclass classification

hamming distance

super ability

japanese rock music groups

linear discrimination

class imbalance problem

class imbalance

vowels versus consonants

mathematical optimization

artificial intelligence

selection methods

binary classification

occupational safety and health

classification problem

class justification

emerging technologies

statistical classification

classification algorithms

From Richard Ressler 16 plays 0

Colloquium_2020-10-13: Hitting objects with…

duration 58 minutes 5 seconds

Colloquium_2020-10-13: Hitting objects with…

Colloquium_2020-10-13: Hitting objects with random walks

Speaker: Dr. John P. Nolan Abstract: Random walks are a powerful tool for studying the structure of complicated objects. This talk describes the key ideas for classical Brownian motion and its…

From Richard Ressler 24 plays 0