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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
The American University Experience : Student Panel duration 25 minutes 10 seconds The American University Experience : Student Panel The American University Experience : Student Panel	The American University Experience : Student Panel Zoom Recording ID: 96380029023 UUID: rPh7b+I0TpmgZBSl0577Ig== Meeting Time: 2020-11-08T20:44:50Z higher education questions consciousness social scene process neuropsychological assessment cognitive science making friends professors 100 percent semester double majoring college rooms learning washington post campus educational facilities magazines published in washington double major political science major human communication student things question opportunities majority types of university or college grad student lot intelligence easy process international studies caption complete universities and colleges english-language television programming traditional campus amazing connections amazing opportunities great thing financial aid students d.c. current student english-language journals complex problems political science english-language television programs bit journalism program class greek life internship opportunities 1st question educational psychology study abroad educational stages study abroad programs study developmental psychology journalism beginners and newcomers experience youth classes american university international studies major internet culture legal terminology studies classroom From Kayla Rohr 13 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
The American University Experience : Student Panel duration 24 minutes 56 seconds The American University Experience : Student Panel The American University Experience : Student Panel	The American University Experience : Student Panel Zoom Recording ID: 91360523226 UUID: LhnzwkhQTs6QXercfteXeg== Meeting Time: 2020-09-13T18:25:18Z college student higher education student consciousness career center semester college study abroad programs questions kind school terminology campus caption complete college campus winter break courses public transport things question opportunities 1st year meet people lot international studies west coast universities and colleges super nice transportation surrounding area campus feel students class dc break political science residence hall schools guys spirit complex problems school study abroad internship experience thing school spirit high school wide range opportunity From Kayla Rohr 5 plays 0