nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

83107_zh-CN

liliconcom

检查比例风险假设

拟合 Cox 比例风险模型需要比例风险假设的有效性。请提供适当的方法来检查这个假设。

此致

温弗里德

统计和分析

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