The following is the data set on Rhizoctonia root rot collected by Dr. Jim Cook at Washington State University. The columns are: X: The x-coordinate of the location Y: The y-coordinate of the location TotalCrown: Total number of crown roots in the sample at a sampling location TotoalCrownRhiz: Total number of infected roots in the sample at a sampling location Yield: Barley yield for the sampling location. It was obtained by hand-harvesting a a 4-square-meter area in the sampling location. ------------------------------------------------------- X Y TotalCrown TotalCrownRhiz Yield 3213.50 605.49 167.00 14.00 511.61 3245.40 591.79 154.00 21.00 515.90 3289.86 623.63 127.00 5.00 431.00 3308.03 687.17 105.00 3.00 535.43 3321.79 642.82 116.00 38.00 414.71 3339.96 706.36 166.00 41.00 416.88 3351.19 576.67 159.00 62.00 335.78 3353.70 640.23 98.00 45.00 377.12 3371.86 703.77 164.00 8.00 483.86 3368.00 799.12 130.00 38.00 558.66 3392.30 681.41 125.00 9.00 547.05 3403.78 713.18 115.00 18.00 564.91 3415.01 582.71 127.00 30.00 519.88 3417.53 646.27 116.00 5.00 648.47 3424.20 678.04 114.00 33.00 534.25 3414.69 773.40 122.00 30.00 453.89 3444.56 868.71 126.00 28.00 645.52 3446.91 572.12 170.00 14.00 588.93 3449.42 635.68 194.00 23.00 590.21 3456.10 667.45 90.00 12.00 597.98 3464.87 731.01 144.00 18.00 543.41 3463.72 794.57 120.00 29.00 425.59 3445.58 889.93 125.00 15.00 586.22 3496.79 744.08 132.00 13.00 533.51 3495.64 807.65 120.00 22.00 510.63 3508.38 871.20 110.00 17.00 332.09 3477.50 903.01 167.00 30.00 440.01 3502.61 966.54 172.00 50.00 527.36 3513.24 631.83 138.00 9.00 624.46 3519.91 663.61 128.00 15.00 526.23 3527.53 790.72 152.00 26.00 449.75 3530.34 917.84 143.00 27.00 428.30 3542.65 578.13 133.00 45.00 348.52 3551.83 673.46 95.00 37.00 481.99 3563.32 705.23 165.00 12.00 399.75 3560.60 737.01 105.00 16.00 434.40 3544.29 832.37 145.00 70.00 473.28 3566.42 959.47 133.00 21.00 506.25 3574.55 572.87 145.00 35.00 497.05 3583.74 668.20 132.00 17.00 408.07 3591.35 795.32 155.00 26.00 450.44 3594.16 922.44 102.00 25.00 462.55 3603.46 1049.55 141.00 16.00 499.70 3605.13 897.65 126.00 11.00 353.35 3626.37 992.97 178.00 16.00 548.47 3636.64 1024.74 109.00 27.00 422.74 3638.37 571.03 140.00 37.00 534.79 3647.55 666.36 140.00 23.00 504.33 3659.04 698.13 154.00 30.00 398.43 3656.32 729.91 80.00 30.00 538.19 3637.03 888.84 152.00 46.00 481.30 3650.16 1111.29 91.00 9.00 370.62 3688.24 737.54 149.00 36.00 551.87 3669.95 769.34 128.00 39.00 452.90 3687.09 801.11 124.00 27.00 437.25 3668.94 896.47 135.00 13.00 3689.89 928.23 113.00 42.00 547.00 3694.05 960.01 104.00 20.00 423.82 3690.19 991.79 142.00 27.00 601.13 3700.45 1023.56 154.00 29.00 547.98 3682.08 1118.92 142.00 27.00 483.91 3743.27 656.04 153.00 9.00 429.58 3750.88 783.15 145.00 29.00 381.94 3735.73 814.95 133.00 20.00 446.90 3732.74 878.51 139.00 46.00 342.52 3764.24 1005.60 160.00 37.00 586.91 3762.98 1037.39 133.00 17.00 382.19 3754.01 1069.18 156.00 31.00 403.35 3785.61 925.68 121.00 18.00 557.04 3796.17 1021.02 127.00 19.00 488.09 3794.90 1052.80 141.00 40.00 448.28 3800.43 639.86 184.00 11.00 635.14 3815.87 735.19 135.00 22.00 413.09 3817.52 925.87 145.00 12.00 535.68 3839.00 655.60 147.00 2.00 483.12 3831.45 814.51 126.00 1.00 295.96 3849.41 909.84 153.00 5.00 370.32 3849.71 973.40 116.00 5.00 528.00 3859.97 1005.17 154.00 16.00 448.23 3861.42 780.15 138.00 14.00 466.98 3891.28 875.46 125.00 13.00 607.73 3881.35 939.03 121.00 19.00 584.69 3891.90 1034.36 143.00 17.00 471.60 3896.17 649.77 152.00 8.00 585.19 3911.61 745.09 187.00 44.00 388.48 3947.43 613.93 151.00 21.00 580.91 3934.75 677.51 144.00 9.00 559.79 3925.23 772.86 108.00 37.00 418.70 3942.36 804.62 123.00 25.00 485.38 3927.20 836.42 116.00 24.00 499.90 3959.10 827.61 151.00 3.00 563.73 3981.21 954.71 160.00 42.00 496.01 4010.04 701.77 165.00 50.00 530.86 4072.77 917.73 165.00 18.00 371.46 4105.78 713.45 141.00 35.00 312.50 4103.06 745.24 123.00 30.00 325.69 4116.66 751.89 143.00 5.00 415.40 4133.79 783.65 197.00 42.00 482.78 4146.52 847.20 159.00 22.00 396.70 4150.55 829.20 166.00 13.00 285.14