A nonlinear statistical model which describes a relationship between the return and the relative rate of trading volume in stock market is presented in this paper.
本文提出了一个描述股市收益率与成交量变化率的关系的非线性统计模型。
According to statistical analysis on Shanghai stock index, the distribution of the rate of return is non-positive skewed, and there exists an autoregressive heteroskedasticity in the rate of return.
通过对上证指数的统计分析表明，上证指数的收益率分布表现出非正态性，并存在自回归条件异方差的特征。
The return analysis method, one of the statistical techniques, is recommended in the standard ISO9000system.
回归分析是被iso 9000族标准推荐的统计技术之一。
Right investment decision requires reliable predictions of return and risk, and reliable predictions can only be obtained if the underlying statistical model tests on realistic assumptions.
正确的投资决策是建立在对收益率与风险得可靠预测之上的，而可靠的预测只能通过基于现实假定上的统计模型而得到。
Right investment decision requires reliable predictions of return and risk, and reliable predictions can only be obtained if the underlying statistical model tests on realistic assumptions.
正确的投资决策是建立在对收益率与风险得可靠预测之上的，而可靠的预测只能通过基于现实假定上的统计模型而得到。
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