BMCBI
2007
13 years 4 months ago
2007
Background: Urine from male Sprague-Dawley rats 25, 40, and 80 days old was analyzed by NMR and UPLC/MS. The effects of data normalization procedures on principal component analys...
BMCBI
2006
13 years 4 months ago
2006
Background: Raw data normalization is a critical step in microarray data analysis because it directly affects data interpretation. Most of the normalization methods currently used...
SIGMOD
2009
ACM
14 years 4 months ago
2009
ACM
Fundamental to data cleaning is the need to account for multiple data representations. We propose a formal framework that can be used to reason about and manipulate data represent...