我正在学习生存分析的LIFE TABLE,但看到LIFE TABLE中的概率密度时,不知道其结果是如何计算出来的,请教各位,指点指点,谢谢!
| 期初时间Intrvl Start Time | 期初记入数Number Entrng this Intrvl | 期内退出数Number Wdrawn During Intrval | 历险数Number Exposed to Risk | 期间终结数Number of Termnl Events | 终结比例Propn Terminating | 生存比例Propn Surviving | 期末的累积生存比例Cumul Propn Surv at End | 期末的累积生存比例的标准误SE of Cumul Surviving | 概率密度Probability Densty | 概率密度的标准误SE of Probability Densty | 风险率Hazard Rate | 风险率的标准误SE of Hazard Rate |
| 0 | 10 | 1 | 9.500 | 0 | .00 | 1.00 | 1.00 | .00 | .000 | .000 | .00 | .00 |
| 2 | 9 | 1 | 8.500 | 1 | .12 | .88 | .88 | .11 | .059 | .055 | .06 | .06 |
| 4 | 7 | 0 | 7.000 | 0 | .00 | 1.00 | .88 | .11 | .000 | .000 | .00 | .00 |
| 6 | 7 | 2 | 6.000 | 1 | .17 | .83 | .74 | .16 | .074 | .068 | .09 | .09 |
| 8 | 4 | 0 | 4.000 | 0 | .00 | 1.00 | .74 | .16 | .000 | .000 | .00 | .00 |
| 10 | 4 | 1 | 3.500 | 1 | .29 | .71 | .53 | .21 | .105 | .092 | .17 | .16 |
| 12 | 2 | 1 | 1.500 | 0 | .00 | 1.00 | .53 | .21 | .000 | .000 | .00 | .00 |
| 14 | 1 | 0 | 1.000 | 0 | .00 | 1.00 | .53 | .21 | .000 | .000 | .00 | .00 |
| 16 | 1 | 1 | .500 | 0 | .00 | 1.00 | .53 | .21 | .000 | .000 | .00 | .00 |
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