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使用Stata进行ROC曲线分析实例分析-roc曲线分析实例

stata培训 cdadata 1175℃

使用Stata进行ROC曲线分析实例分析

关键词:roc曲线分析实例、stata roc曲线stata中roc曲线说明stata参数法roc曲线数据分析师

roctab mods pre,g

使用Stata进行ROC曲线分析实例分析-roc曲线分析实例

. roccomp mods pre ldh cr abl,g
使用Stata进行ROC曲线分析实例分析-roc曲线分析实例

. roccomp mods  pre ldh cr abl

                             ROC                    -Asymptotic Normal–
                  Obs       Area     Std. Err.      [95% Conf. Interval]
————————————————————————-
pre                113     0.9273       0.0268        0.87485     0.97977
ldh                113     0.9034       0.0285        0.84752     0.95921
cr                 113     0.7998       0.0633        0.67580     0.92378
abl                113     0.1483       0.0444        0.06136     0.23528
————————————————————————-
Ho: area(pre) = area(ldh) = area(cr) = area(abl)
   chi2(3) =   189.39       Prob>chi2 =   0.0000

. rocgold mods  pre ldh cr abl

——————————————————————————-
                      ROC                                           Bonferroni
                     Area     Std. Err.       chi2    df  Pr>chi2     Pr>chi2
——————————————————————————-
pre (standard)      0.9273       0.0268
ldh                 0.9034       0.0285      0.6873     1   0.4071      1.0000
cr                  0.7998       0.0633      4.9712     1   0.0258      0.0773
abl                 0.1483       0.0444    135.4836     1   0.0000      0.0000
——————————————————————————-

. roctab mods pre,d

Detailed report of sensitivity and specificity
——————————————————————————
                                          Correctly
Cutpoint      Sensitivity   Specificity   Classified          LR+          LR-
——————————————————————————
( >= .00382 )     100.00%         0.00%       24.78%       1.0000    
( >= .0053 )      100.00%         1.18%       25.66%       1.0119       0.0000
( >= .00681 )     100.00%         2.35%       26.55%       1.0241       0.0000
( >= .00703 )     100.00%         3.53%       27.43%       1.0366       0.0000
( >= .00819 )     100.00%         4.71%       28.32%       1.0494       0.0000
( >= .0102 )      100.00%         5.88%       29.20%       1.0625       0.0000
( >= .01031 )     100.00%         7.06%       30.09%       1.0759       0.0000
( >= .01236 )     100.00%         9.41%       31.86%       1.1039       0.0000
( >= .0135 )      100.00%        10.59%       32.74%       1.1184       0.0000
( >= .01361 )     100.00%        11.76%       33.63%       1.1333       0.0000
( >= .01409 )     100.00%        12.94%       34.51%       1.1486       0.0000
( >= .01531 )     100.00%        14.12%       35.40%       1.1644       0.0000
( >= .01704 )     100.00%        15.29%       36.28%       1.1806       0.0000
( >= .01739 )     100.00%        16.47%       37.17%       1.1972       0.0000
( >= .0175 )      100.00%        17.65%       38.05%       1.2143       0.0000
( >= .01765 )     100.00%        18.82%       38.94%       1.2319       0.0000
( >= .01915 )     100.00%        20.00%       39.82%       1.2500       0.0000
( >= .02164 )     100.00%        21.18%       40.71%       1.2687       0.0000
( >= .02345 )     100.00%        22.35%       41.59%       1.2879       0.0000
( >= .02392 )     100.00%        23.53%       42.48%       1.3077       0.0000
( >= .02456 )     100.00%        24.71%       43.36%       1.3281       0.0000
( >= .02502 )     100.00%        25.88%       44.25%       1.3492       0.0000
( >= .02676 )     100.00%        27.06%       45.13%       1.3710       0.0000
( >= .02719 )     100.00%        28.24%       46.02%       1.3934       0.0000
( >= .02971 )     100.00%        29.41%       46.90%       1.4167       0.0000
( >= .03233 )     100.00%        30.59%       47.79%       1.4407       0.0000
( >= .03243 )     100.00%        31.76%       48.67%       1.4655       0.0000
( >= .03558 )     100.00%        32.94%       49.56%       1.4912       0.0000
( >= .03689 )     100.00%        34.12%       50.44%       1.5179       0.0000
( >= .03716 )     100.00%        35.29%       51.33%       1.5455       0.0000
( >= .03743 )     100.00%        36.47%       52.21%       1.5741       0.0000
( >= .03931 )     100.00%        37.65%       53.10%       1.6038       0.0000
( >= .04133 )     100.00%        38.82%       53.98%       1.6346       0.0000
( >= .04146 )     100.00%        40.00%       54.87%       1.6667       0.0000
( >= .04217 )     100.00%        41.18%       55.75%       1.7000       0.0000
( >= .04241 )     100.00%        42.35%       56.64%       1.7347       0.0000
( >= .04371 )     100.00%        43.53%       57.52%       1.7708       0.0000
( >= .04376 )     100.00%        44.71%       58.41%       1.8085       0.0000
( >= .04423 )     100.00%        45.88%       59.29%       1.8478       0.0000
( >= .04763 )     100.00%        47.06%       60.18%       1.8889       0.0000
( >= .04788 )     100.00%        48.24%       61.06%       1.9318       0.0000
( >= .0508 )      100.00%        49.41%       61.95%       1.9767       0.0000
( >= .05191 )     100.00%        50.59%       62.83%       2.0238       0.0000
( >= .05406 )     100.00%        51.76%       63.72%       2.0732       0.0000
( >= .05513 )     100.00%        52.94%       64.60%       2.1250       0.0000
( >= .05603 )     100.00%        54.12%       65.49%       2.1795       0.0000
( >= .05649 )     100.00%        55.29%       66.37%       2.2368       0.0000
( >= .05758 )     100.00%        56.47%       67.26%       2.2973       0.0000
( >= .0593 )      100.00%        57.65%       68.14%       2.3611       0.0000
( >= .05947 )      96.43%        57.65%       67.26%       2.2768       0.0620
( >= .06098 )      96.43%        58.82%       68.14%       2.3418       0.0607
( >= .0614 )       96.43%        60.00%       69.03%       2.4107       0.0595
( >= .07237 )      92.86%        60.00%       68.14%       2.3214       0.1190
( >= .07364 )      92.86%        61.18%       69.03%       2.3918       0.1168
( >= .07581 )      92.86%        62.35%       69.91%       2.4665       0.1146
( >= .07946 )      92.86%        63.53%       70.80%       2.5461       0.1124
( >= .08124 )      92.86%        64.71%       71.68%       2.6310       0.1104
( >= .08678 )      92.86%        65.88%       72.57%       2.7217       0.1084
( >= .08864 )      92.86%        67.06%       73.45%       2.8189       0.1065
( >= .09364 )      92.86%        68.24%       74.34%       2.9233       0.1047
( >= .09599 )      92.86%        69.41%       75.22%       3.0357       0.1029
( >= .10633 )      89.29%        69.41%       74.34%       2.9190       0.1544
( >= .10826 )      89.29%        70.59%       75.22%       3.0357       0.1518
( >= .10833 )      89.29%        71.76%       76.11%       3.1622       0.1493
( >= .11039 )      89.29%        72.94%       76.99%       3.2997       0.1469
( >= .11556 )      85.71%        72.94%       76.11%       3.1677       0.1959
( >= .12284 )      85.71%        74.12%       76.99%       3.3117       0.1927
( >= .12624 )      85.71%        75.29%       77.88%       3.4694       0.1897
( >= .12727 )      85.71%        76.47%       78.76%       3.6429       0.1868
( >= .12873 )      85.71%        77.65%       79.65%       3.8346       0.1840
( >= .13795 )      85.71%        78.82%       80.53%       4.0476       0.1812
( >= .1432 )       85.71%        80.00%       81.42%       4.2857       0.1786
( >= .14782 )      82.14%        80.00%       80.53%       4.1071       0.2232
( >= .14949 )      82.14%        81.18%       81.42%       4.3638       0.2200
( >= .1504 )       82.14%        82.35%       82.30%       4.6548       0.2168
( >= .16177 )      82.14%        83.53%       83.19%       4.9872       0.2138
( >= .16314 )      82.14%        84.71%       84.07%       5.3709       0.2108
( >= .17659 )      82.14%        85.88%       84.96%       5.8185       0.2079
( >= .17736 )      78.57%        85.88%       84.07%       5.5655       0.2495
( >= .17874 )      78.57%        87.06%       84.96%       6.0714       0.2461
( >= .19822 )      78.57%        88.24%       85.84%       6.6786       0.2429
( >= .23909 )      78.57%        89.41%       86.73%       7.4206       0.2397
( >= .24636 )      75.00%        89.41%       85.84%       7.0833       0.2796
( >= .26112 )      75.00%        90.59%       86.73%       7.9687       0.2760
( >= .34388 )      75.00%        91.76%       87.61%       9.1071       0.2724
( >= .41857 )      75.00%        92.94%       88.50%      10.6250       0.2690
( >= .44136 )      71.43%        92.94%       87.61%      10.1190       0.3074
( >= .51026 )      71.43%        94.12%       88.50%      12.1429       0.3036
( >= .52563 )      67.86%        94.12%       87.61%      11.5357       0.3415
( >= .54136 )      67.86%        95.29%       88.50%      14.4197       0.3373
( >= .54198 )      64.29%        95.29%       87.61%      13.6607       0.3748
( >= .59103 )      64.29%        96.47%       88.50%      18.2143       0.3702
( >= .60721 )      64.29%        97.65%       89.38%      27.3214       0.3657
( >= .69305 )      64.29%        98.82%       90.27%      54.6430       0.3614
( >= .74518 )      60.71%        98.82%       89.38%      51.6073       0.3975
( >= .84005 )      60.71%       100.00%       90.27%                    0.3929
( >= .84678 )      57.14%       100.00%       89.38%                    0.4286
( >= .85097 )      53.57%       100.00%       88.50%                    0.4643
( >= .86829 )      50.00%       100.00%       87.61%                    0.5000
( >= .92791 )      46.43%       100.00%       86.73%                    0.5357
( >= .92918 )      42.86%       100.00%       85.84%                    0.5714
( >= .93128 )      39.29%       100.00%       84.96%                    0.6071
( >= .93165 )      35.71%       100.00%       84.07%                    0.6429
( >= .94542 )      32.14%       100.00%       83.19%                    0.6786
( >= .95914 )      28.57%       100.00%       82.30%                    0.7143
( >= .99376 )      25.00%       100.00%       81.42%                    0.7500
( >= .99519 )      21.43%       100.00%       80.53%                    0.7857
( >= .99814 )      17.86%       100.00%       79.65%                    0.8214
( >= .99972 )      14.29%       100.00%       78.76%                    0.8571
( >= .99992 )       7.14%       100.00%       76.99%                    0.9286
( >= .99995 )       3.57%       100.00%       76.11%                    0.9643
( >  .99995 )       0.00%       100.00%       75.22%                    1.0000
—————————————————————————-

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