graph LR
    idea_257925a8_ad2d_4c4a_ba42_388c1bbebcd5["Cox Proportional Hazards Regression: Modeling Time-to-Event Data with Censoring"]
    idea_2875971a_c691_4ea0_bcea_9546c5e0b066["Log-Rank Test: Comparing Survival Curves Across Groups"]
    idea_338e547d_51a4_4f6b_9ef3_a8c0e8025c2f["Log Rank Test for Comparing Survival Curves"]
    idea_61ff88c5_66a4_40fb_a5d0_7ed1ddc6cee1["Proportional Hazards Assumption in Cox Models"]
    idea_a7ab481a_2105_4be2_b5e7_c8396fc49352["Mathematics for nonmathematicians (engineering, social sciences, etc.)"]
    idea_d8758d39_fde4_45de_bea7_ad4134944870["Kaplan-Meier Estimator Methods in Survival Analysis"]
    idea_da7f4c12_33f0_4315_830d_20d862535f24["Event Rate Estimation at Risk Sets"]
    idea_f10290b5_b548_4135_a80f_11ef078c3f85["Hypothesis Testing Frameworks for Null and Alternative Hypotheses"]
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