细胞生物学家大卫·沃克斯表示，人们期望专业科学家知道如何分析数据，但令人担忧的是，在已发表的研究报告中，统计误差非常普遍。
Professional scientists are expected to know how to analyze data, but statistical errors are alarmingly common in published research, according to David Vaux, a cell biologist.
数据统计信息中的变化会引起对存取方案的选择发生变化，该存取方案作为访问所期望数据的最有效方法。
A change in the data statistics can result in a change in the choice of access plan selected as the most efficient method of accessing the desired data.
期望服务和用户群统计。
此部分课程扩展了统计学中的基本数学概念。三个基本想法如下：随机变数，密度函数与期望。
This section of the course develops the mathematical concepts used in statistics. Three ideas are essential: Random Variable, Density Functions, and Expectations.
这种技术被称为“生物统计学接口技术”，它也许会给人一种侵犯个人隐私的感觉，但人们期望它能加快顾客结账的速度，并防止利用假身份进行欺诈。
Biometric access, as the process is called, might have a Big Brother feeling, but it is expected to speed customer checkout and cut identity fraud.
四个通常的产生统计以比较方案的用于投资决策方法是：现值法、年值法、期望值法和回报率法。
Four commonly used investment decision methods that generate statistics to compare projects are present worth, annual worth, future worth, and rate of return.
这是期望出现在绝大多数群落中的一种统计分布，它反映了蝗虫群落结构组成和多个物种共存于群落中的原则。
This distribution has been hoped to appear in many communities. It reflects the constructive composing of grasshopper community and the principle that many species coexist in the community.
它能够促进统计模式向期望模式收敛，提高算法的搜索性能。
It can promote statistic schema to converting into the schema of approximate optimal solution and the global searching performance of population can be improved effectively.
最后在对所搜索到的滑移路径进行统计拟合处理的基础上，给出了期望滑移路径及平均偏差在概率意义下的误差估计。
Finally, the expected slide path based on searched slide paths, the deviation estimation in the sense of probability, and some numerical results are shown.
在控制了人口统计学变量后，教师期望与自我价值感仍对目标取向各维度具有较强的预测作用。
After controlling the demographic variables, teacher expectancy and self-worth still played significantly predictive roles on goal orientation.
给出了一种基于图像各彩色分量灰度统计特征期望值和全局标准差作为阈值的彩色图像灰度化方法。
An approach for color image gray processing based on threshold of gray scale statistic mean value and global standard deviation of each color component is presented.
它定义为受扰动统计量的期望值与实际值之差。
It is defined as the difference between the expectation of the perturbed statistic and its true value.
给出了一种基于图象灰度分布统计特征期望值为阈值的二值化方法。
This paper presents an algorithm for threshold employing gray level arithmetic mean based on relevant conception in probability theory.
给出了一种基于图象灰度分布统计特征期望值为阈值的二值化方法。
This paper presents an algorithm for threshold employing gray level arithmetic mean based on relevant conception in probability theory.
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