Search Results
- ItemImpartial Trimmed k-means for Functional Data(2005-03) Cuesta-Albertos, Juan Antonio; Fraiman, Ricardo
- ItemPattern recognition via projection – based k – NN rules(2008-06) Fraiman, Ricardo; Justel, Ana; Svarc, MarcelaWe introduce a new procedure for pattern recognition, based on the concepts of random projections and nearest neighbors. It can be thought as an improvement of the classical nearest neighbors classification rules. Besides the concept of neighbors we introduce the notion of district, a larger set which will be projected. Then we apply one dimensional k-NN methods to the projected data on randomly selected directions. In this way we are able to provide a method with some robustness properties and more accurate to handle high dimensional data. The procedure is also universally consistent. We challenge the method with the Isolet data where we obtain a very high classification score.
- ItemTrimmed Means for Functional Data(2001-04) Fraiman, Ricardo; Muñiz, Graciela
- ItemImpartial Trimmed Means for Functional Data(2003-12) Cuesta-Albertos, Juan Antonio; Fraiman, Ricardo