1344 search results - page 138 / 269 » Cluster Analysis of High-Dimensional Data: A Case Study |
CGF
2008
13 years 8 months ago
2008
DNA microarrays are used to measure the expression levels of thousands of genes simultaneously. In a time series experiment, the gene expressions are measured as a function of tim...
Publication
Non-negative matrix factorization (NMF) has become a standard tool in data mining, information retrieval, and signal processing. It is used to factorize a non-negative data matrix ...
BMCBI
2008
13 years 8 months ago
2008
Background: Risk for complex disease is thought to be controlled by multiple genetic risk factors, each with small individual effects. Meta-analyses of several independent studies...
BMCBI
2008
13 years 8 months ago
2008
Background: The hierarchical clustering tree (HCT) with a dendrogram [1] and the singular value decomposition (SVD) with a dimension-reduced representative map [2] are popular met...
MOBIHOC
2005
ACM
14 years 7 months ago
2005
ACM
We consider a wireless sensor network in which sensors are grouped into clusters, each with its own cluster head (CH). Each CH collects data from sensors in its cluster and relays...