Translated handlePopData (#2)
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4 changed files with 86 additions and 94 deletions
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@ -251,100 +251,6 @@ else
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end
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end
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%--------------------------------------------------------------------------
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function [newData, rows, alleleCodes, noalle, adjprior, priorTerm] = handlePopData(raw_data)
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% Alkuperäisen datan viimeinen sarake kertoo, milt?yksilölt?
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% kyseinen rivi on peräisin. Funktio muuttaa alleelikoodit
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% siten, ett?yhden lokuksen j koodit saavat arvoja
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% välill?1,...,noalle(j). Ennen tät?muutosta alleeli, jonka
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% koodi on nolla muutetaan.
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data = raw_data;
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nloci=size(raw_data,2)-1;
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dataApu = data(:,1:nloci);
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nollat = find(dataApu==0);
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if ~isempty(nollat)
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isoinAlleeli = max(max(dataApu));
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dataApu(nollat) = isoinAlleeli+1;
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data(:,1:nloci) = dataApu;
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end
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dataApu = []; nollat = []; isoinAlleeli = [];
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noalle=zeros(1,nloci);
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alleelitLokuksessa = cell(nloci,1);
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for i=1:nloci
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alleelitLokuksessaI = unique(data(:,i));
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alleelitLokuksessa{i,1} = alleelitLokuksessaI(find(alleelitLokuksessaI>=0));
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noalle(i) = length(alleelitLokuksessa{i,1});
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end
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alleleCodes = zeros(max(noalle),nloci);
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for i=1:nloci
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alleelitLokuksessaI = alleelitLokuksessa{i,1};
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puuttuvia = max(noalle)-length(alleelitLokuksessaI);
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alleleCodes(:,i) = [alleelitLokuksessaI; zeros(puuttuvia,1)];
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end
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for loc = 1:nloci
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for all = 1:noalle(loc)
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data(find(data(:,loc)==alleleCodes(all,loc)), loc)=all;
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end;
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end;
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nind = max(data(:,end));
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%rows = cell(nind,1);
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rows = zeros(nind,2);
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for i=1:nind
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rivit = find(data(:,end)==i)';
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rows(i,1) = min(rivit);
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rows(i,2) = max(rivit);
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end
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newData = data;
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adjprior = zeros(max(noalle),nloci);
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priorTerm = 0;
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for j=1:nloci
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adjprior(:,j) = [repmat(1/noalle(j), [noalle(j),1]) ; ones(max(noalle)-noalle(j),1)];
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priorTerm = priorTerm + noalle(j)*gammaln(1/noalle(j));
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end
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%--------------------------------------------------------------------
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function [Z,distances] = getPopDistancesByKL(adjprior)
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% Laskee populaatioille etäisyydet
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% käyttäen KL-divergenssi?
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global COUNTS;
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maxnoalle = size(COUNTS,1);
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nloci = size(COUNTS,2);
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npops = size(COUNTS,3);
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distances = zeros(nchoosek(npops,2),1);
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d = zeros(maxnoalle, nloci, npops);
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prior = adjprior;
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prior(find(prior==1))=0;
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nollia = find(all(prior==0)); %Lokukset, joissa oli havaittu vain yht?alleelia.
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prior(1,nollia)=1;
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for pop1 = 1:npops
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d(:,:,pop1) = (squeeze(COUNTS(:,:,pop1))+prior) ./ repmat(sum(squeeze(COUNTS(:,:,pop1))+prior),maxnoalle,1);
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%dist1(pop1) = (squeeze(COUNTS(:,:,pop1))+adjprior) ./ repmat((SUMCOUNTS(pop1,:)+adjprior), maxnoalle, 1);
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end
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pointer = 1;
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for pop1 = 1:npops-1
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for pop2 = pop1+1:npops
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dist1 = d(:,:,pop1); dist2 = d(:,:,pop2);
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div12 = sum(sum(dist1.*log2((dist1+10^-10) ./ (dist2+10^-10))))/nloci;
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div21 = sum(sum(dist2.*log2((dist2+10^-10) ./ (dist1+10^-10))))/nloci;
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div = (div12+div21)/2;
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distances(pointer) = div;
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pointer = pointer+1;
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end
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end
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Z=linkage(distances');
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%--------------------------------------------------------------------
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