no code implementations • 15 Nov 2018 • Arin Chaudhuri, Carol Sadek, Deovrat Kakde, Wenhao Hu, Hansi Jiang, Seunghyun Kong, Yuewei Liao, Sergiy Peredriy, Haoyu Wang
Support vector data description (SVDD) is a popular anomaly detection technique.
no code implementations • 16 Aug 2017 • Arin Chaudhuri, Deovrat Kakde, Carol Sadek, Laura Gonzalez, Seunghyun Kong
The computation of the SVDD classifier requires a kernel function, and the Gaussian kernel is a common choice for the kernel function.
no code implementations • 21 Aug 2014 • Daniel Godfrey, Caley Johns, Carl Meyer, Shaina Race, Carol Sadek
We clustered the tweets using k-means, a commonly used clustering algorithm, and Non-Negative Matrix Factorization (NMF) and compared the results.