你連貼也不看清楚，就急急忙忙來批判是不是有點不妥當？

這個老狼下麵已經貼過了。你有什麽高見？

這裏是wiki的解釋，看看是否有道理：

When describing the survival experience of a group of people or patients typically the method of overall survival is used, and it presents estimates of the proportion of people or patients alive at a certain point in time. The problem with measuring overall survival using Kaplan-Meier or actuarial survival methods, is that the estimates include two causes of death: 1) deaths due to the disease of interest and; 2) deaths due to all other causes, which includes old age, other cancers, trauma and any other possible cause of death. In general, we are interested in the deaths due to a disease rather than all causes, and therefore a "cause-specific survival analysis" is employed to measure disease-specific survival. Thus, there are two ways in performing a cause-specific survival analysis。。。。

http://en.wikipedia.org/wiki/Relative_survival

所有跟帖： 

• 你也會狗，那你狗不狗呢？讓你說是怎麽算的？凡說算法是騙人的，科普一下算法不好嗎？ -零不是數- ♂ (0 bytes) () 08/24/2014 postreply 15:45:54