DNA序列問題模型詳解

#xlabel('八種DNA序列')ylabel('C/T堿基豐度之比')axis([1,8,0,0.7])subplot(2,3,5)plot(1:8,x2(1:8,4),'+')xlabel('八種DNA序列')ylabel('G/T堿基豐度之比')axis([1,8,0,0.7])subplot(2,3,6)plot(1:8,x2(1:8,4),'+')xlabel('八種DNA序列')ylabel('G/C堿基豐度之比')axis([1,8,0,0.7])（四） R型聚類分析matlab程序clear>>X=[0.18480.22830.20650.38401.23541.11742.05880.90451.68201.85960.19770.19770.19770.40701.00001.00002.05881.00002.05872.05870.22830.23910.21740.31521.04730.95231.38100.90921.31831.44990.20880.16480.25270.37360.78931.21021.78951.53342.26701.47840.20650.25000.16300.38041.21070.78931.84210.65201.52162.33370.18090.24470.21280.36171.35271.17632.00000.86961.47811.69970.18890.22220.17780.41111.17630.94122.17650.80021.85012.31210.21740.22830.19570.35871.05010.90021.65000.85721.57121.8329];>>d=pdist(X');z=linkage(d,'average');h=dendrogram(z);set(h,'color','k','linewidth',1.3);T=cluster(z,'maxclust',6);fori=1;6tm=find(T==i);tm=reshape(tm,1,length(tm));fprintf('第%d類的有%s\n',i,int2str(tm));endans=第1類的有5

（五）、Q型聚類分析matlab程序0.22810.73220.9982-0.1396-0.1139-0.0546-0.8603-0.0747-0.00700.22811.06590.53220.6122-0.4025-0.9091-0.1215-1.2530-1.2621-2.03051.37000.74342.28171.7182-1.17810.9999-1.5228-1.2636-1.1118-0.61631.34270.81141.13701.4619-0.2740-0.7525-0.52590.0111-0.4788-0.0838-0.54120.41251.27900.2281-0.7606-0.9400-0.3217-0.4609-0.1333>>y=pdist(x);>>z=linkage(y,'average');>>h=dendrogram(z);>>set(h,'color','k','LineWidth',1.3)>>fork=3:5fprintf('劃分成%d類的結果如下:\n',k)T=cluster(z,'maxclust',k);fori=1:k;tm=find(T==i);tm=reshape(tm,1,length(tm));fprintf('第%d類的有%s\n',i,int2str(tm));endifk==5breakendfprintf('********\n');end劃分成3類的結果如下：TOC\o"1-5"\h\z第1類的有3 5 8第2類的有12 67第3類的有4********劃分成4類的結果如下第1類的有1 6第2類的有2 7第3類的有3 5 8第4類的有4********劃分成5類的結果如下第1類的有5第2類的有3 8

第3類的有1 6第4類的有2 7第5類的有4、spss對三種分類結果各自的平均數(shù)的結果堿基T豐度堿基C與A堿基比堿基G與A堿基比堿基C與T堿基比堿基G與T堿基比堿基G與C堿基比*AverageLinkage(BetweenGroups)AverageLinkageGroups)(Between堿基T豐度堿基C與A堿基比堿基G與A堿基比堿基C與T堿基比堿基G與T堿基比堿基G與C堿基比1均值.2365001.1468826.274690.8870741.5800671.779641N222222標準差.0115966.0416601.3224715.0246606.1441514.11302832均值.209950.9706195.020452.9000901.9544052.185412N222222標準差.0173241.0415505.0533394.1412941.1474599.17923303均值.233700.9262204.155877.8832241.4447281.641385N222222標準差.0076368.0368203.0214901.0367961.1788283.27085414均值.1648001.2102495.7962121.5333742.2669901.478433N111111標準差5均值.250000.7893463.822500.6520001.5216002.333742N111111標準差總計均值.2218881.0108805.065094.9407691.7183741.878131N888888標準差.0281154.1455103.9833943.2597231.3192954.3393150

堿基T豐度堿基C與A堿基比堿基G與A堿基比堿基C與T堿基比堿基G與T堿基比堿基G與C堿基比*AverageLinkage(BetweenGroupsAverageLinkage(Between堿基T豐堿基C與A堿堿基G與A堿堿基C與T堿堿基G與T堿堿基G與C堿Groups)度基比基比基比基比基比1均值.2365001.1468826.274690.8870741.5800671.779641N222222標準差.0115966.0416601.3224715.0246606.1441514.11302832均值.209950.9706195.020452.9000901.9544052.185412N222222標準差.0173241.0415505.0533394.1412941.1474599.17923303均值.239133.8805954.044751.8061491.4703521.872171N333333標準差.0108500.0832026.1930739.1360093.1340133.44324634均值.1648001.2102495.7962121.5333742.2669901.478433N111111標準差總計均值.2218881.0108805.065094.9407691.7183741.878131N888888標準差.0281154.1455103.9833943.2597231.3192954.3393150堿基T豐度堿基C與A堿基比堿基G與A堿基比堿基C與T堿基比堿基G與T堿基比堿基G與C堿基比*AverageLinkage(BetweenGroups)AverageLinkageGroups)(Between堿基T豐度堿基C與A堿基比堿基G與A堿基比堿基C與T堿基比堿基G與T堿基比堿基G與C堿基比1均值.2232251.0587515.647571.8935821.7672361.982526N444444標準差.0194894.1072857.7483192.0831496.2467475.26429122均值.239133.8805954.044751.8061491.4703521.872171N333333標準差.0108500.0832026.1930739.1360093