variance ratio中文是什么意思

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中文翻译
造句

变化率
变异刺激
方差比率

variance n. 1.变化，变动，变更；变度，变量；【统计】(平)方 ...
ratio n. (pl. ratios) 1.比，比率，比值；比例 ...
least variance ratio 最小方差比
materials price variance ratio 材料价格差异率
simultaneous variance ratio test 联合方差比检验
unexplained variance ratio 未解释的方差比
variance of ratio estimate 比率估计值的方差
variance ratio distribution 方差比分布
variance ratio test f 检验; 方差比检定; 方差比检验; 方差比率检验
variance ratio test f 检验
variance ratio transformation 方差比变换
variance-mean ratio 方差平均值比率
variance-ratio distribution 方差比分布
at variance 有分歧, 不和
at variance with 与...有分歧, 与...不和, 与...不符
variance n. 1.变化，变动，变更；变度，变量；【统计】(平)方(偏)差。 2.(意见等的)相异；不和，冲突，争论。 3.【法律】诉状和供词的不符。 at variance with 和…不和；和…不符 (at variance with the facts 不符事实。His conduct is at variance with his words. 他言行不符)。 set at variance 使不睦，离间。
variance with 和不和
combined variance(or poolled variance) 合并方差
physical variance，efficiency variance 实绩差异，效率差异
spending variance,expenditure variance 开支差异
as ratio 联想感觉比
ratio n. (pl. ratios) 1.比，比率，比值；比例；系数。 2.【经济学】复本位制中金银的法定比价。 the ratio 3:2 (读作 the ratio of three to two )3对2之比。 arithmetical ratio 公差，算术比。 direct ratio 正比。 inverse [reciprocal] ratio反比。 current ratio 电流比，电流变换系数。 nutritive ratio 营养率。 vt. 1.用比例方式表达；求出…的比值；使…成比例。 2.将(相片)按比例放大或缩小。
ratio t 统计系数与标准误差比率
t ratio 统计系数与标准误差比率
activity variance 业务活动差异; 业务活动量差异; 作业差异

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例句与用法

In the last part , simultaneously analyzed three types of weak - form market efficiency tests - auto regression , run tests and variance ratio test for various data frequencies , perform the tests on both the shanghai and shenzhen markets for a period of more than six years
第三章中，本文运用自回归、游程检验和方差比检验三种模型分别对我国上海股票市场和深圳股票市场的弱式有效性进行分析。
We empirically test the return serial correlation of shanghai stock market under the vr ( variance ratio ) test framework . we suggest that the test results of index and individual stocks are consistent with the exist results . the index return is positive serial correlation and individual stocks returns are weakly negative serial correlation
2 .我们使用高频交易数据,在方差比检验的框架下检验了上海证券市场收益率的序列相关性,我们发现在市场指数和个股样本方面的检验结果与以往的研究结果存在一致性,即指数收益率存在正序列相关性,而个股收益率存在弱负序列相关性。