Correlation table for Passive and Web100 throughput calculations
I-Heng Mei, Les Cottrell, and Connie Logg
Updated: Mon Aug 26 16:00:42 PDT 2002


Throughput was calculated in 3 ways:
  • method1: SUM( MBitss/Times )
  • method2: SUM( MBitss)/AVG(Times)
  • method3: SUM( MBitss)/MAX(Times)

    R is the correlation coefficient. The Correlation Coefficient R is defined as:
    R = COV(x,y) / (Std(x) * Std(y)), where:
    COV(x,y) = (1/(n-1)) * SUM((xi-Avg(x))*(yi-Avg(y))), is the covariance,
    and the SUM is over the n paired Samples (i=1..n) , also
    Avg(x) = (1/n)) * SUM(xi)) and Avg(y) = (1/n) * SUM(yi)) are the averages, and
    Std(x) = sqrt((1/(n-1)) * SUM((xi-xm)2)) and Std(y) = sqrt((1/(n-1)) * SUM((yi-ym)2)). are the standard deviations.
    Error is given by Error = (Avg(x) - Avg(y)) / Avg(x)

    See the summary statistics for aggregate and distribution information.
    Rows with alarming values (such as R ≤ .6, error ≥ .1) are shaded in dark yellow. The values are highlighted in bright yellow

    Download a comma-separated-values (CSV) table for further analysis with tools such as Excel

    nodetestmethxyRsamplesavg(x)avg(y)std(x)std(y)Errormin(x)max(x)min(y)max(y)Cov
    node1.cacr.caltech.eduiperf1passiveweb1.00103310.60301.0458.1656.090.031141.82410.61138.07397.563261.92
    node1.cacr.caltech.eduiperf2passiveweb1.00103310.52300.9458.2056.130.031141.82411.29138.07398.213266.42
    node1.cacr.caltech.eduiperf3passiveweb1.00103307.28297.7757.5655.510.031140.58401.00137.04388.643194.94
    node1.cacr.caltech.edubbcpmem1passiveweb1.00107193.78188.0456.1054.430.03096.19376.5693.96365.903053.07
    node1.cacr.caltech.edubbcpmem2passiveweb1.00107193.78188.0456.0954.430.03096.18376.5693.96365.903053.05
    node1.cacr.caltech.edubbcpmem3passiveweb1.00107192.80187.3155.8354.390.02895.78374.3093.05365.593036.51
    node1.cacr.caltech.edubbcpdisk1passiveweb1.0099139.55137.7458.6959.060.01356.47320.6354.85323.203466.28
    node1.cacr.caltech.edubbcpdisk2passiveweb1.0099139.53137.7458.6759.060.01356.46320.4154.85323.193464.61
    node1.cacr.caltech.edubbcpdisk3passiveweb1.0099136.85137.2656.7458.58-0.00356.04307.0854.85323.043321.76
    node1.cacr.caltech.edubbftp1passiveweb1.00105264.84258.6336.7236.310.023179.24333.50174.18326.731332.46
    node1.cacr.caltech.edubbftp2passiveweb1.00105245.22239.1139.1338.590.025170.62329.04165.88322.081509.59
    node1.cacr.caltech.edubbftp3passiveweb1.00105176.65171.8248.7147.790.027102.14305.1698.73297.762327.57
    node1.cern.chiperf1passiveweb1.009638.1937.453.713.620.01923.3552.8022.8851.8113.42
    node1.cern.chiperf2passiveweb1.009638.0637.313.733.640.01922.9252.7222.4851.7213.56
    node1.cern.chiperf3passiveweb1.009635.9235.193.743.660.02020.8250.2820.3549.3213.70
    node1.cern.chbbcpmem1passiveweb0.999723.2123.769.849.55-0.0247.7248.977.7548.6593.41
    node1.cern.chbbcpmem2passiveweb0.869720.8923.7512.259.56-0.1371.4648.977.7448.65100.34
    node1.cern.chbbcpmem3passiveweb0.839720.3923.2112.909.57-0.1380.2148.967.5348.39102.26
    node1.cern.chbbcpdisk1passiveweb0.989821.8322.117.467.16-0.0129.5046.219.5445.1452.41
    node1.cern.chbbcpdisk2passiveweb0.769819.9122.109.717.16-0.1101.4046.219.5345.1452.84
    node1.cern.chbbcpdisk3passiveweb0.739819.5521.8310.317.20-0.1170.2946.199.2745.1254.48
    node1.cern.chbbftp1passiveweb1.0010446.7146.347.417.190.00831.3262.0531.2061.5053.20
    node1.cern.chbbftp2passiveweb1.0010445.2744.856.796.560.00931.2760.5931.1560.2944.42
    node1.cern.chbbftp3passiveweb1.0010438.2837.816.416.320.01226.0559.8625.7759.5740.37
    node1.clrc.ac.ukiperf1passiveweb1.009292.1390.2637.3036.440.0205.38171.945.27167.991358.90
    node1.clrc.ac.ukiperf2passiveweb1.009291.7289.8437.2336.370.0205.28171.475.17167.521354.17
    node1.clrc.ac.ukiperf3passiveweb1.009283.4381.6034.3533.520.0224.54158.334.42154.411151.63
    node1.clrc.ac.ukbbcpmem1passiveweb1.009762.2262.2736.2436.02-0.0014.94186.385.37188.361304.24
    node1.clrc.ac.ukbbcpmem2passiveweb1.009762.1962.2436.2536.02-0.0014.92186.365.34188.341304.77
    node1.clrc.ac.ukbbcpmem3passiveweb1.009761.8160.7036.2635.700.0184.84185.834.73181.321294.56
    node1.clrc.ac.ukbbcpdisk1passiveweb1.009261.4060.7531.2930.980.0114.24137.194.18136.28968.67
    node1.clrc.ac.ukbbcpdisk2passiveweb1.009261.3960.7431.2930.980.0114.24137.194.18136.27968.94
    node1.clrc.ac.ukbbcpdisk3passiveweb1.009261.2760.5031.3431.140.0134.24136.844.18135.94975.35
    node1.clrc.ac.ukbbftp1passiveweb1.009798.1597.5429.0128.910.0068.64142.018.60141.38838.55
    node1.clrc.ac.ukbbftp2passiveweb1.009792.9892.2030.5930.570.0087.67141.717.56141.06935.11
    node1.clrc.ac.ukbbftp3passiveweb1.009765.3664.4331.1431.060.0145.54127.945.43127.07967.02
    nodetestmethxyRsamplesavg(x)avg(y)std(x)std(y)Errormin(x)max(x)min(y)max(y)Cov
    node1.dl.ac.ukiperf1passiveweb1.009638.0937.349.619.380.0205.0857.204.9955.9490.12
    node1.dl.ac.ukiperf2passiveweb1.009637.4036.659.579.330.0204.9856.944.8955.6989.29
    node1.dl.ac.ukiperf3passiveweb1.009635.4134.699.339.100.0204.4353.404.3452.2784.91
    node1.dl.ac.ukbbcpmem1passiveweb1.009814.8914.943.493.39-0.0043.9828.264.0227.4311.77
    node1.dl.ac.ukbbcpmem2passiveweb1.009814.8814.943.493.39-0.0043.9628.254.0127.4311.77
    node1.dl.ac.ukbbcpmem3passiveweb1.009814.4114.483.443.39-0.0053.7828.033.7027.1511.61
    node1.dl.ac.ukbbcpdisk1passiveweb1.008415.7115.754.264.24-0.0033.6426.273.6726.1618.04
    node1.dl.ac.ukbbcpdisk2passiveweb1.008415.7015.754.254.24-0.0033.6426.253.6726.1618.02
    node1.dl.ac.ukbbcpdisk3passiveweb1.008415.1815.484.174.11-0.0203.5025.663.6626.1217.05
    node1.dl.ac.ukbbftp1passiveweb1.008438.7738.4512.5812.300.0085.5759.005.5158.30154.63
    node1.dl.ac.ukbbftp2passiveweb1.008431.7131.2110.219.950.0165.2951.375.2250.61101.50
    node1.dl.ac.ukbbftp3passiveweb1.008417.7217.326.105.970.0223.9532.453.8832.0336.40
    node1.ece.rice.eduiperf1passiveweb1.009576.3774.185.475.310.02955.8885.5554.2382.9329.05
    node1.ece.rice.eduiperf2passiveweb1.009576.3074.085.485.320.02955.8485.3354.1882.7729.16
    node1.ece.rice.eduiperf3passiveweb1.009574.8272.595.415.250.03054.9584.0353.2481.3928.36
    node1.ece.rice.edubbcpmem1passiveweb0.9610267.9866.747.716.890.01831.0184.3430.1381.7451.03
    node1.ece.rice.edubbcpmem2passiveweb0.5510265.6766.7414.716.89-0.0164.2184.3430.1381.7456.10
    node1.ece.rice.edubbcpmem3passiveweb0.5210265.2666.3116.086.92-0.0161.1184.3329.9681.4857.68
    node1.ece.rice.edubbcpdisk1passiveweb1.009663.8361.605.705.510.03546.5579.2944.9276.4031.41
    node1.ece.rice.edubbcpdisk2passiveweb1.009663.8361.605.705.510.03546.5579.2944.9276.4031.41
    node1.ece.rice.edubbcpdisk3passiveweb1.009663.7661.555.715.520.03546.4679.0144.8376.3931.56
    node1.ece.rice.edubbftp1passiveweb1.0010276.9575.357.767.700.02155.69104.9454.48103.1659.76
    node1.ece.rice.edubbftp2passiveweb1.0010274.9073.315.785.700.02154.4491.3753.2489.4432.91
    node1.ece.rice.edubbftp3passiveweb1.0010262.2360.854.684.580.02245.3270.8644.2469.4121.44
    node1.eecis.udel.eduiperf1passiveweb1.006236.3835.3910.039.770.0276.9651.066.7649.6097.98
    node1.eecis.udel.eduiperf2passiveweb1.006236.3835.3910.039.770.0276.9651.066.7649.6097.98
    node1.eecis.udel.eduiperf3passiveweb1.006236.3835.3910.039.770.0276.9651.066.7649.6097.98
    node1.eecis.udel.edubbcpmem1passiveweb0.92546.616.420.110.100.0296.096.675.916.470.01
    node1.eecis.udel.edubbcpmem2passiveweb0.92546.616.420.110.100.0296.096.675.916.470.01
    node1.eecis.udel.edubbcpmem3passiveweb0.92546.616.420.110.100.0296.096.675.916.470.01
    node1.eecis.udel.edubbcpdisk1passiveweb0.95546.556.360.150.140.0285.816.655.646.470.02
    node1.eecis.udel.edubbcpdisk2passiveweb0.95546.556.360.150.140.0285.816.655.646.470.02
    node1.eecis.udel.edubbcpdisk3passiveweb0.95546.556.360.150.140.0285.816.655.646.470.02
    node1.eecis.udel.edubbftp1passiveweb1.005435.7134.889.479.280.02310.2648.809.9747.4487.88
    node1.eecis.udel.edubbftp2passiveweb1.005435.7134.889.479.280.02310.2648.809.9747.4487.88
    node1.eecis.udel.edubbftp3passiveweb1.005435.7134.889.479.280.02310.2648.809.9747.4487.88
    nodetestmethxyRsamplesavg(x)avg(y)std(x)std(y)Errormin(x)max(x)min(y)max(y)Cov
    node1.in2p3.friperf1passiveweb1.009058.1357.0719.6419.220.0184.9379.154.8877.58377.47
    node1.in2p3.friperf2passiveweb1.009057.6156.5519.5319.130.0184.8078.524.7376.94373.61
    node1.in2p3.friperf3passiveweb1.009050.1549.1117.1116.730.0213.7768.733.7167.25286.25
    node1.in2p3.frbbcpmem1passiveweb1.008354.7855.1527.9326.93-0.0072.6894.213.2392.75749.13
    node1.in2p3.frbbcpmem2passiveweb0.918349.3455.1132.3526.95-0.1171.2494.213.2192.75790.55
    node1.in2p3.frbbcpmem3passiveweb0.878347.2054.1334.8727.10-0.1470.1194.202.7392.11823.59
    node1.in2p3.frbbcpdisk1passiveweb0.998536.5036.3314.5013.530.0054.9763.064.7960.91193.52
    node1.in2p3.frbbcpdisk2passiveweb0.868533.4236.2817.8013.54-0.0863.0963.064.7960.91206.19
    node1.in2p3.frbbcpdisk3passiveweb0.848532.2535.7019.4313.73-0.1070.4063.054.7960.90222.68
    node1.in2p3.frbbftp1passiveweb1.008560.6560.6017.2016.670.0017.3678.628.1678.31286.09
    node1.in2p3.frbbftp2passiveweb1.008558.7858.5217.5617.440.0056.5277.426.7977.06306.18
    node1.in2p3.frbbftp3passiveweb1.008543.9943.5214.9114.770.0114.0862.434.0661.89220.24
    node1.jlab.orgiperf1passiveweb1.009830.2929.475.675.510.02713.3744.4212.9743.1931.24
    node1.jlab.orgiperf2passiveweb1.009830.0729.255.685.520.02713.3544.3512.9643.1131.35
    node1.jlab.orgiperf3passiveweb1.009828.2727.465.985.810.02813.0143.5412.6142.3234.76
    node1.jlab.orgbbcpmem1passiveweb1.0010021.7521.615.295.140.0077.8636.467.7735.3927.12
    node1.jlab.orgbbcpmem2passiveweb1.0010021.7421.605.305.140.0067.8736.467.8035.3927.17
    node1.jlab.orgbbcpmem3passiveweb1.0010021.2821.005.285.180.0137.7636.177.5235.3127.32
    node1.jlab.orgbbcpdisk1passiveweb1.009319.4219.225.725.750.0107.6935.748.0234.7832.79
    node1.jlab.orgbbcpdisk2passiveweb1.009319.4119.215.725.750.0107.7035.747.9634.7832.83
    node1.jlab.orgbbcpdisk3passiveweb0.999319.1019.125.675.77-0.0017.5135.347.5134.6932.39
    node1.jlab.orgbbftp1passiveweb1.009832.9232.466.045.950.01421.6453.8921.1552.7835.85
    node1.jlab.orgbbftp2passiveweb1.009828.2627.705.094.990.02016.7345.7416.2644.4925.34
    node1.jlab.orgbbftp3passiveweb1.009819.5719.125.455.390.0239.9836.639.6635.5429.29
    nodetestmethxyRsamplesavg(x)avg(y)std(x)std(y)Errormin(x)max(x)min(y)max(y)Cov
    node1.kek.jpiperf1passiveweb1.009614.9714.652.432.380.0222.1216.552.0816.205.79
    node1.kek.jpiperf2passiveweb1.009614.9414.612.432.380.0222.0816.522.0416.165.79
    node1.kek.jpiperf3passiveweb1.009614.2513.922.382.320.0231.7516.071.7115.765.53
    node1.kek.jpbbcpmem1passiveweb1.009713.9413.752.112.040.0141.7316.241.8815.884.29
    node1.kek.jpbbcpmem2passiveweb1.009713.9313.742.112.040.0141.7316.231.8715.874.29
    node1.kek.jpbbcpmem3passiveweb1.009713.8713.462.112.050.0301.7016.151.6615.694.31
    node1.kek.jpbbcpdisk1passiveweb0.99927.877.851.791.720.0020.9113.740.8813.273.03
    node1.kek.jpbbcpdisk2passiveweb0.99927.877.851.791.720.0030.9113.740.8813.273.04
    node1.kek.jpbbcpdisk3passiveweb1.00927.827.581.801.740.0310.9113.740.8813.273.12
    node1.kek.jpbbftp1passiveweb1.009610.8310.622.632.630.0191.5816.121.5615.846.91
    node1.kek.jpbbftp2passiveweb1.00969.669.442.352.340.0221.5315.311.5115.145.50
    node1.kek.jpbbftp3passiveweb1.00967.106.912.001.990.0261.1212.591.1012.433.98
    node1.lanl.goviperf1passiveweb1.00102293.39284.2546.5244.950.031156.00336.81151.11326.252090.90
    node1.lanl.goviperf2passiveweb1.00102293.10283.9747.1545.570.031156.02336.81151.14326.242148.03
    node1.lanl.goviperf3passiveweb1.00102291.88282.8448.2846.620.031145.98336.41142.95325.832249.48
    node1.lanl.govbbcpmem1passiveweb1.00104225.00217.5847.6646.060.03373.47313.8871.06