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Computational Bioinformatics & Bioimaging Laboratory caBIG-ICR - VISDA VT –GU Developer Team: Huai Li, Jiajing Wang, Yue Wang, Jianhua Xuan, Robert Clarke UPenn – The Wistar Institute Adopter Team: Louise Showe, Michael Showe, Malik Yousef, Hsiuan-Lin Wu, and Michael Nebozhyn Computational Bioinformatics & Bioimaging Laboratory VISDA Overview VISDA (VIsual Statistical Data Analyzer) is a caBIG-TM analytical tool for cluster modeling, visualization, and discovery • Model clustered data structure via hierarchical mixture of Gaussian kernels (adaptive with cluster validation) • Visualize data clusters via discriminative projections incorporating human gift for pattern recognition • Discover and display hidden data clusters via topdown “soft” clustering (hierarchical yet exploratory) Computational Bioinformatics & Bioimaging Laboratory VISDA-caBIGTM Key Features • Supported Data File – Support data retrieving from caArray – Support local MAGE-ML file format – Support tab-delimited data file with multiple gene annotations as well as multiple sample annotations • Analytical Algorithms – – – – Support sample clustering and gene clustering Has supervised/unsupervised feature selection Has PCA and PPM projections Has hierarchical statistical modeling and parameter estimation by EM algorithm – Has advanced options for DCA projection and MDL cluster validation Computational Bioinformatics & Bioimaging Laboratory VISDA-caBIGTM Key Features • GUI – Main frame has a history tracking panel as well as a working view panel. Analysis node and Dataset node can be created and deleted from the tree. – Input file can also have multiple rows for different sample annotation. User has the option to choose one of the rows as label information for analysis. – Tables of the selected genes for phenotype clustering and their performances can be viewed, and saved. – Has the three types of 2D-projection visualization. – Figures can be viewed, zoomed, and saved as PNG or EPS format. – Support sample/gene annotation view. – Support cluster visualization by hierarchical display – History log can be viewed and saved Computational Bioinformatics & Bioimaging Laboratory Installation http://gforge.nci.nih.gov/frs/download.php/320/visda-Deploy-V1.0.rar http://cabigcvs.nci.nih.gov/viewcvs/viewcvs.cgi/visda/VISDA-Developer/Month-12-yr1/visda-SourceCode-V1.0.rar Computational Bioinformatics & Bioimaging Laboratory VISDA GUI Computational Bioinformatics & Bioimaging Laboratory VISDA GUI Computational Bioinformatics & Bioimaging Laboratory VISDA GUI Computational Bioinformatics & Bioimaging Laboratory VISDA Silver Compatibility • VISDA can retrieve data from caArray (can be considered as one caGrid node) by utilizing MAGE-OM APIs. • MAGE-OM CDEs (registered in caDSR) used in VISDA are documented. • Analysis results got from VISDA are the selected feature set, the "soft-clustering" probabilities of the samples/genes in each cluster and the hierarchical "tree of phenotype" or "tree of gene module" plots which are retained locally. • Well documented VISDA APIs. • UML documentation of all VISDA components using Enterprise Architect (EA). Computational Bioinformatics & Bioimaging Laboratory Retrieve Data from caArray Computational Bioinformatics & Bioimaging Laboratory Retrieve Data from caArray Computational Bioinformatics & Bioimaging Laboratory VISDA API Document Computational Bioinformatics & Bioimaging Laboratory VISDA UML Use Case Diagram ud Use Case Model Array Clustering Data in caArray caArray «include» Sav e Outputs Locally Import Data Biological Researcher «include» Gene Clustering Local Files/MAGEML/Tab-Delimited Computational Bioinformatics & Bioimaging Laboratory VISDA UML Class Diagram oedu.vt.cbil.visda Computational Bioinformatics & Bioimaging Laboratory VISDA UML Class Diagram oedu.vt.cbil.visda.data Computational Bioinformatics & Bioimaging Laboratory VISDA UML Class Diagram oedu.vt.cbil.visda.comp Computational Bioinformatics & Bioimaging Laboratory VISDA UML Class Diagram oedu.vt.cbil.visda.view