Mercurial > hg > mauch-mirex-2010
annotate _FullBNT/KPMtools/partitionData.m @ 9:4ea6619cb3f5 tip
removed log files
author | matthiasm |
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date | Fri, 11 Apr 2014 15:55:11 +0100 |
parents | b5b38998ef3b |
children |
rev | line source |
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matthiasm@8 | 1 function varargout = partitionData(Ndata, varargin) |
matthiasm@8 | 2 % PARTITIONDATA Partition a vector of indices into random sets |
matthiasm@8 | 3 % [a,b,c,...] = partitionData(N, 0.3, 0.2, 0.5, ...) |
matthiasm@8 | 4 % |
matthiasm@8 | 5 % Examples: |
matthiasm@8 | 6 % [a,b,c]=partitionData(105,0.3,0.2,0.5); |
matthiasm@8 | 7 % a= 1:30, b=32:52, c=52:105 (last bin gets all the left over) |
matthiasm@8 | 8 |
matthiasm@8 | 9 Npartitions = length(varargin); |
matthiasm@8 | 10 perm = randperm(Ndata); |
matthiasm@8 | 11 %perm = 1:Ndata; |
matthiasm@8 | 12 ndx = 1; |
matthiasm@8 | 13 for i=1:Npartitions |
matthiasm@8 | 14 pc(i) = varargin{i}; |
matthiasm@8 | 15 Nbin(i) = fix(Ndata*pc(i)); |
matthiasm@8 | 16 low(i) = ndx; |
matthiasm@8 | 17 if i==Npartitions |
matthiasm@8 | 18 high(i) = Ndata; |
matthiasm@8 | 19 else |
matthiasm@8 | 20 high(i) = low(i)+Nbin(i)-1; |
matthiasm@8 | 21 end |
matthiasm@8 | 22 varargout{i} = perm(low(i):high(i)); |
matthiasm@8 | 23 ndx = ndx+Nbin(i); |
matthiasm@8 | 24 end |
matthiasm@8 | 25 |