People used to analyze hospitalization expense with general linear models, but general linear model is built on some hypothesis.
人们以前常常采用古典线性回归模型对住院费用进行分析，但是古典线性回归模型是建立在一些假设之上的。
The mathematic models are established based on statistical data in this paper to predict the change of income and expense of urban residents and college tuition fee.
本文通过统计数据建立数学模型，对我国不同收入的城镇居民年均收支与大学年均学杂费的变化趋势进行了测算。
The mathematic models are established based on statistical data in this paper to predict the change of income and expense of urban residents and college tuition fee.
本文通过统计数据建立数学模型，对我国不同收入的城镇居民年均收支与大学年均学杂费的变化趋势进行了测算。
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