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本页整理公开书目信息,不生成学术质量评分。AI 解读根据题名及所注明的摘要或原文片段生成,未完成全文核验,可能有误;具体假设、证明与结论请核对原文。摘要保留来源文本,未经模型改写。

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AI 根据所提供的论文材料归类:摘要研究响应时间与市场渗透的参数估计,未建立离散选择、收益预测或其他所列模型,故暂不分类。

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关注这篇论文的作者
F. J. Anscombe

混合指数响应规律的估计

研究问题
如何根据样本观测估计两类双参数累计响应规律,并在新产品市场渗透等应用中处理响应曲线上各点的依赖?
方法与思路
作者比较两种响应规律,以多项而非独立二项抽样结构处理累计响应数据,并讨论似然函数与参数化的关系。
材料陈述的贡献
摘要强调累计响应点不独立,并称似然是否呈现大样本形态不仅取决于样本量,也取决于所用参数化。
阅读关注点
应核对响应规律的原始公式、观测时间与多项抽样结构,以及不同参数化如何改变似然形状和估计表现。
阅读边界
OpenAlex索引摘要版本未注明;所给公式的上下标排版不清,需查原PDF,不能重构公式或推断具体估计性质。

原文摘要

This paper is concerned with the estimation of the parameters of a mixed-exponential response law, given some sample observations. Two alternative laws are considered, each having two parameters. The first law expresses the proportion F(t) of the population who have responded within time t in the form F(t) = (1 – e −αt )ξ. The second law states that F(t) = 1 – (1 + λt)−v. The problem has been encountered in the context of market research, in estimating the “penetration” of a market by a new product; and it is therefore described in those terms. But mathematically identical problems arise also in life testing and in fisheries research. The problem is similar to the well-known one in toxicology of fitting a response law (logistic, probit, or whatever) to dose-mortality data, with the exception that in the present case the points on the empirical response curve are not independent, the basic sampling distribution being multinomial instead of independent-binomial. In regard to statistical methodology, the paper aims to illustrate the role of the likelihood function in estimation. Whether the likelihood function has a “large-sample” appearance depends not only on the sample size but on the parametrization.

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