目的介绍生存分析中解释变异度量及其应用。
Objective To introduce explained variation and its application in survival analysis.
这种假设解释了在一段时间内表型性状的随机变异，但没有解释表型性状为什么会进化。
This assumption explains the random variation of phenotypic traits over time, but it doesn't explain why phenotypic traits evolve.
总的来说，95个基因变异解释了三分之一到四分之一的遗传胆固醇、甘油三酯水平异常。
Taken together, the 95 gene variants explain a quarter to a third of inherited cholesterol and triglycerides levels.
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