Publication 2005 Issue No. 9 - September Abstract - Feature Subset Selection and Feature Ranking for Multivariate Time Series
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Feature Subset Selection and Feature Ranking for Multivariate Time Series
September 2005 (vol. 17 no. 9)
pp. 1186-1198
 ASCII Text x Hyunjin Yoon, Kiyoung Yang, Cyrus Shahabi, "Feature Subset Selection and Feature Ranking for Multivariate Time Series," IEEE Transactions on Knowledge and Data Engineering, vol. 17, no. 9, pp. 1186-1198, September, 2005.
 BibTex x @article{ 10.1109/TKDE.2005.144,author = {Hyunjin Yoon and Kiyoung Yang and Cyrus Shahabi},title = {Feature Subset Selection and Feature Ranking for Multivariate Time Series},journal ={IEEE Transactions on Knowledge and Data Engineering},volume = {17},number = {9},issn = {1041-4347},year = {2005},pages = {1186-1198},doi = {http://doi.ieeecomputersociety.org/10.1109/TKDE.2005.144},publisher = {IEEE Computer Society},address = {Los Alamitos, CA, USA},}
 RefWorks Procite/RefMan/Endnote x TY - JOURJO - IEEE Transactions on Knowledge and Data EngineeringTI - Feature Subset Selection and Feature Ranking for Multivariate Time SeriesIS - 9SN - 1041-4347SP1186EP1198EPD - 1186-1198A1 - Hyunjin Yoon, A1 - Kiyoung Yang, A1 - Cyrus Shahabi, PY - 2005KW - Index Terms- Data miningKW - feature evaluation and selectionKW - feature extraction or constructionKW - time series analysisKW - feature representation.VL - 17JA - IEEE Transactions on Knowledge and Data EngineeringER -
Feature subset selection (FSS) is a known technique to preprocess the data before performing any data mining tasks, e.g., classification and clustering. FSS provides both cost-effective predictors and a better understanding of the underlying process that generated the data. We propose a family of novel unsupervised methods for feature subset selection from Multivariate Time Series (MTS) based on Common Principal Component Analysis, termed {\schmi CL}e{\schmi V}er. Traditional FSS techniques, such as Recursive Feature Elimination (RFE) and Fisher Criterion (FC), have been applied to MTS data sets, e.g., Brain Computer Interface (BCI) data sets. However, these techniques may lose the correlation information among features, while our proposed techniques utilize the properties of the principal component analysis to retain that information. In order to evaluate the effectiveness of our selected subset of features, we employ classification as the target data mining task. Our exhaustive experiments show that {\schmi CL}e{\schmi V}er outperforms RFE, FC, and random selection by up to a factor of two in terms of the classification accuracy, while taking up to 2 orders of magnitude less processing time than RFE and FC.

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Index Terms:
Index Terms- Data mining, feature evaluation and selection, feature extraction or construction, time series analysis, feature representation.
Citation:
Hyunjin Yoon, Kiyoung Yang, Cyrus Shahabi, "Feature Subset Selection and Feature Ranking for Multivariate Time Series," IEEE Transactions on Knowledge and Data Engineering, vol. 17, no. 9, pp. 1186-1198, Sept. 2005, doi:10.1109/TKDE.2005.144