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Practical Bioinformatics Mark Voorhies 5/ 24/ 2013 Mark Voorhies Practical Bioinformatics Clustering exercises { Visualizing the distance matrix Mark Voorhies Practical Bioinformatics Scripting Cluster Running Cluster3 from the command line

Practical Bioinformatics Mark Voorhies 5/ 24/ 2013 Mark Voorhies Practical Bioinformatics
Clustering exercises { Visualizing the distance matrix Mark Voorhies Practical Bioinformatics
Scripting Cluster Running Cluster3 from the command line / Applications/ Cluster.app/ Contents/ MacOS/ Cluster / Program Files/ Stanford University/ Cluster3/ Cluster.com Command-line programs are like functions \ man program" is like \ help(function)" Use the subprocess module to run command-line programs from within Python. Mark Voorhies Practical Bioinformatics
Programs as functions USAGE: cluster [options] -f filename File loading -u jobname Allows you to specify a different name for the output files (default is derived from the input file name) -g [0..8] Specifies the distance measure for gene clustering 0: No gene clustering 1: Uncentered correlation 2: Pearson correlation 3: Uncentered correlation, absolute value 4: Pearson correlation, absolute value 5: Spearman’s rank correlation 6: Kendall’s tau 7: Euclidean distance 8: City-block distance (default: 0) -m [msca] Specifies which hierarchical clustering method to use m: Pairwise complete-linkage s: Pairwise single-linkage c: Pairwise centroid-linkage a: Pairwise average-linkage (default: m) Mark Voorhies Practical Bioinformatics
Scripting the Protocol from s u b p r o c e s s import c h e c k c a l l c h e c k c a l l ( # Which program to run ( ” c l u s t e r ” , # Input f i l e ” − f ” , ” supp2data . tdt ” , # Output p r e f i x ” − u” , ” supp2data . Uncentered . Complete ” , # C l u s t e r i n g method : complete l i n k a g e ” m” , ”m” , − # Distance f u n c t i o n : uncentered Pearson ” − g” , ”1” )) Mark Voorhies Practical Bioinformatics
Using the Cluster3 GUI Mark Voorhies Practical Bioinformatics
Load your data Mark Voorhies Practical Bioinformatics

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