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What is Microarray Data

Chapter 61
Handbook of Research on Innovations in Database Technologies and Applications: Current and Future Trends
This is a data set in matrix form containing gene expression values of samples. The row entry represents a gene while the column contains the chip.
Published in Chapter:
C-MICRA: A Tool for Clustering Microarray Data
Emmanuel Udoh (Sullivan University, USA) and Salim Bhuiyan (Indiana University–Purdue University, USA)
Copyright: © 2009 |Pages: 8
DOI: 10.4018/978-1-60566-242-8.ch061
Abstract
In the field of bioinformatics, small to large data sets of genes, proteins, and genomes are analyzed for biological significance. A technology that has been in the forefront of generating large amounts of gene data is the microarray or hybridization technique. It has been instrumental in the success of the human genome project and paved the way for a new era of genetic screening, testing, and diagnostics (Scheena, 2003). The microarray data set can be made of thousands of rows and columns. It often contains missing values, exhibits high-dimensional attributes, and is generally too large for manual management or examination (Tseng & Kao, 2005; Turner, Bailey, Krzanowski, & Hemingway, 2005). Database technology is necessary for the extraction, sorting, and analyzing of microarray data sets.
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