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I am trying to return an index for a data set by searching using filenames. The name may be ANG_AUT.N.0734C70411A-1_1sA_0734C70411A.fasta, but i'd just like to search it using the term "0734C70411" as the file may be 0734C70411A or 0734C70411C or 0734C70411D Any way to do this other than doing something like this. where 0734C70411A is part of matrix list[,8]

...om smaller to bigger) and order the correspondent row to the new position. Is it possible (apart from looping on the index) to do this with some predefined R function? Thanks, Francesco ------------------------------ Message: 55 Date: Fri, 21 Jan 2011 09:26:48 -0800 (PST) From: poppinkid <jtlu@bcm.edu> To: r-help@r-project.org Subject: [R] How to find data that includes certain values Message-ID: <1295630808683-3230161.post@n4.nabble.com> Content-Type: text/plain; charset=us-ascii I am trying to return an index for a data set by searching using filenames. The name may be ANG_...

I am attempting to use optim to solve a neural network problem. I would like to optimize coefficients that are currently stored in a matrix Y=270 x 1 X= 27- x 14 b1= 10x14 b2= 11x1 V= 10 x 14 set of prior variances. I have the following function: posterior.mode1=function(y,X,b_0,b2,V) { log.like=function(b1) { a_g=compute(b1) z_g=tanh(a_g); z_g=cbind(1,z_g)