15 search results - page 3 / 3 » Covariance and PCA for Categorical Variables |
CHI
2008
ACM
13 years 6 months ago
2008
ACM
We present a large-scale analysis of the content of weblogs dating back to the release of the Blogger program in 1999. Over one million blogs were analyzed from their conception t...
BMCBI
2007
13 years 5 months ago
2007
Background: Clustering methods are widely used on gene expression data to categorize genes with similar expression profiles. Finding an appropriate (dis)similarity measure is crit...
BMCBI
2010
13 years 5 months ago
2010
Background: With the rapid development of new genetic measurement methods, several types of genetic alterations can be quantified in a high-throughput manner. While the initial fo...
EGC
2009
Springer
13 years 2 months ago
2009
Springer
Abstract. In this article we consider objects for which we have a matrix of dissimilarities and we are interested in their links with covariates. We focus on state sequences for wh...
BMCBI
2008
13 years 5 months ago
2008
Background: Multivariate ordination methods are powerful tools for the exploration of complex data structures present in microarray data. These methods have several advantages com...