西昌生态区紫花苜蓿引种适应性的灰色关联度分析

X7W X8 X9 X10 X11

0.541240.278760.088891.133210.98242

1.11450 0.29420-0.45948-1.63497-0.576010.47108 0.82227

-0.81180-0.55351-0.40983-0.44016-0.37866

0.10986 -0.27931-0.285431.04916 0.97581

1.27691 -1.21039 -0.98233 1.41233 0.36823

0.61501 -0.09655 -0.08458 -0.10053 0.78627

0.91177 -0.161090.03326 1.31690 0.56971

-0.12291 -0.491820.24581 0.07082 0.61454

-0.159150.673800.82129

2.2.2绝对差值

经标准化数据比较数列减参考数例，求出绝对差值表3

表3 参与品种X0与Xi绝对差值 △i

X1 X2 X3 X4 X5 X6 X7W X8 X9 X10 X11

△（k）

1

2.797882.887241.167182.976591.971361.971360.994061.256531.446410.402090.55288

2

2.99977 1.76237 0.89368 2.94353 0.17499 1.38739 0.0625 1.29990 0.93118 1.10617 0.56246

3

3.085431.730420.336892.996600.944400.667870.937691.723721.391040.558090.41061

4

2.073671.181950.314502.729651.109120.009711.716012.891491.832540.785450.43426

5

2.244732.551992.767430.028182.391412.205132.923632.665342.521672.551992.49049

6

2.96055 2.00290 0.42381 2.96055 1.22864 0.84966 1.15529 1.54446 1.55057 0.21598 0.28933

7

2.40178 2.56570 1.73898 1.61782 1.15467 2.22005 0.27082 2.75813 2.53007 0.13541 1.17951

8

2.317692.409400.909933.289230.024120.876040.628821.340371.328411.355360.45756

9

2.568922.868501.506733.113331.312492.230820.649691.722561.528200.244570.99175

2.2.3关联系数

经绝对差值，使用分辨系数(ρ)=0.5，计算出关联系数列表4

表4 关联系数

ζi

X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11

ζ

1

0.372390.365040.588350.357980.457500.457500.626960.570230.535200.808290.75282

（k） 5

6

0.35923 0.45355 0.79980 0.35923 0.57577 0.66325 0.59085 0.51875 0.51776 0.88914 0.85541

2

0.35620 0.48557 0.65175 0.36057 0.90917 0.54562 0.96908 0.56183 0.64226 0.60140 0.74956

3

0.349750.490170.834890.356440.638980.715390.640640.491140.544960.751040.80494

4

0.444920.585280.844420.378190.600761 0.492270.364700.475770.680770.79578

7

0.40884 0.39292 0.48893 0.50708 0.59100 0.42806 0.86368 0.37574 0.39628 0.92938 0.58578

8

0.417520.408070.647600.335300.991360.656310.727680.554210.556440.553480.78696

9

0.392620.366560.529580.347700.559440.426870.721060.491310.521410.875680.62750

0.425350.394210.374960.988960.409890.429720.362140.383830.397070.394210.40007