另外，区间还能通过离散的选择方法如选择聚合和最大区别缩放等来直接从消费者偏好做模型。
Alternatively, segments can be modelled directly from consumer preferences via discrete choice methodologies such as choice-based conjoint and maximum difference scaling.
本文针对居民生活用水实施阶梯水价下双误差项的需求函数模型——离散连续选择模型进行了讨论，并给出了R包下的仿真算法和程序。
The paper discusses the two-error model demand function in ladder-like water pricing of residents living water usage—discrete continuous model, and proposes its algorithm and program in R package.
当生命数据是离散的、未删失数据含有打结的和有协变量信息时，离散生存分析模型是适当的选择。
Discrete-time survival model is appropriate as survival data are discrete, tied and some effects for covariates are added.
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