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Extracting insights from the shape of complex data using topology

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VejdemoJohansson_2013_SR_Extracting.pdf (910.0Kb)
Date
07/02/2013
Author
Lum, P. Y.
Singh, G.
Lehman, A.
Ishkanov, T.
Alagappan, M.
Carlsson, J.
Carlsson, G.
Vejdemo Johansson, Mikael Vilhelm
Keywords
Breast-cancer
Carcinomas
Survival
Predict
QA75 Electronic computers. Computer science
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Abstract
This paper applies topological methods to study complex high dimensional data sets by extracting shapes (patterns) and obtaining insights about them. Our method combines the best features of existing standard methodologies such as principal component and cluster analyses to provide a geometric representation of complex data sets. Through this hybrid method, we often find subgroups in data sets that traditional methodologies fail to find. Our method also permits the analysis of individual data sets as well as the analysis of relationships between related data sets. We illustrate the use of our method by applying it to three very different kinds of data, namely gene expression from breast tumors, voting data from the United States House of Representatives and player performance data from the NBA, in each case finding stratifications of the data which are more refined than those produced by standard methods.
Citation
Lum , P Y , Singh , G , Lehman , A , Ishkanov , T , Alagappan , M , Carlsson , J , Carlsson , G & Vejdemo Johansson , M V 2013 , ' Extracting insights from the shape of complex data using topology ' , Scientific Reports , vol. 3 , 1236 . https://doi.org/10.1038/srep01236
Publication
Scientific Reports
Status
Peer reviewed
DOI
https://doi.org/10.1038/srep01236
ISSN
2045-2322
Type
Journal article
Rights
© 2013 Authors. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/
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  • University of St Andrews Research
URL
http://www.nature.com/srep/2013/130207/srep01236/extref/srep01236-s1.pdf
URI
http://hdl.handle.net/10023/5044

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