RE: "USING NUMERICAL METHODS TO DESIGN SIMULATIONS: REVISITING THE BALANCING INTERCEPT".
RE: "USING NUMERICAL METHODS TO DESIGN SIMULATIONS: REVISITING THE BALANCING INTERCEPT".
复制标题
回复:“使用数值方法设计模拟:重新审视平衡截距”。
DOI:
10.1093/aje/kwac083
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发表时间:
2022
影响因子:
5
通讯作者:
Ross,RachaelK
中科院分区:
文献类型:
--
作者:
Zivich,PaulN;Ross,RachaelK
In the Journal, Robertson et al.(1) revisit the “balancing intercept” for logistic models recently proposed by Rudolph et al.(2). As Robertson et al. note, it is desirable for simulated data to mimic certain features of real data. The motivation behind the balancing intercept is to allow an investigator to specify covariate-specific parameters in a data-generating model, while using the intercept to manipulate the marginal value of the generated covariate to a desired level. For nonlinear models, like logistic regression, there does not exist a general closed-form solution, but analytical approximations have been proposed (2). As Robertson et al. illustrate, analytical approximations may not always produce the desired results. In contrast, numerical approximations were demonstrated to produce the desired results in the case of logistic regression. As Robertson et al. emphasize in their conclusion, the logistic-model balancing intercept is only one example where numerical approximations can be used. In this letter, we highlight this point by providing an illustrative example of solving for the balancing intercept for several different distributions along with corresponding R and Python code.
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DOI:
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通讯作者:
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DOI:
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DOI:
--
发表时间:
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影响因子:
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