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广义 Logistic 函数及其在广告效果中的应用AI 解读

A generalization of the common logistic function is developed, incorporating a non-unit saturation level, a non-zero intercept, and a non-symmetric shape. The dependence of the three generalized characteristics on (estimated) parameter values is exhibited. The statistical properties of the function are developed for the case where the dependent variable is a relative frequency. An empirical application shows that the effect of advertising on market share is best depicted by…

广义 Logistic 函数及其广告效果应用AI 解读

A generalization of the common logistic function is developed, incorporating a non-unit saturation level, a non-zero intercept, and a non-symmetric shape. The dependence of the three generalized characteristics on (estimated) parameter values is exhibited. The statistical properties of the function are developed for the case where the dependent variable is a relative frequency. An empirical application shows that the effect of advertising on market share is best depicted by…