CSN.rar_CSN_归一化_归一化处理_数据归一化_面化算法

function [dataAfterCSN,dilutionCSN] = CSN(dataForNorm,refSamp) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %constant sum normalization %dataForNorm为待normalization的数据谱，其中行为样本，列为变量 %refSamp为参考谱，可以为中值谱，均值谱等 %dataAfterCSN为normalization后的数据谱 %dilutionCSN为各样本Xm与参考谱的浓度比构成的行矩阵 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% if nargin<2 refSamp = median(dataForNorm); %得到参考谱 end [normDataNum,normDataLength] = size(dataForNorm); dataAfterCSN = zeros(normDataNum,normDataLength);%dataAfterCSN中用来存放处理后的样本 dilutionCSN = zeros(1,normDataNum);%dilutionCSN用来存放各样本与参考谱的浓度比 concentrationRefSamp = sum(refSamp,2); concentrationData = sum(dataForNorm,2); dilutionCSN = concentrationData./concentrationRefSamp; dilutionCSN = repmat(dilutionCSN,1,normDataLength); dataAfterCSN = dataForNorm./dilutionCSN; dilutionCSN = dilutionCSN(:,1); dilutionCSN = dilutionCSN';