variance
英 [ˈveəriəns] 美 [ˈveriəns]
variance基本释义
n.不一致；变化；[数]方差
variance用法及例句
noun1. an activity that varies from a norm or standarde.
variance音标
英 [ˈveəriəns]
美 [ˈveriəns]
variance基本释义
n.不一致；变化；[数]方差
variance用法及例句
noun
1. an activity that varies from a norm or standard
e.g. any variation in his routine was immediately reported
Synonym: variation
2. an official dispensation to act contrary to a rule or regulation (typically a building regulation)
e.g. a zoning variance
3. the quality of being subject to variation
Synonym: variabilityvariableness
4. a difference between conflicting facts or claims or opinions
e.g. a growing divergence of opinion
Synonym: discrepancydisagreementdivergence
5. the second moment around the meanthe expected value of the square of the deviations of a random variable from its mean value
6. discord that splits a group
Synonym: division
7. an event that departs from expectations
Synonym: discrepancyvariant
1. （与…）不一致，相矛盾If one thing is at variance with another, the two things seem to contradict each other.
e.g. Many of his statements were at variance with the facts...他的说法有很多和事实不符。e.g. This idealistic concept is at variance with reality.这种理想主义的观念和现实相矛盾。
2. 差异;不同The variance between things is the difference between them.
e.g. ...the variances in the stock price.股票价格的变化e.g. ...total revenue variance.总收入的差异
1. 方差：16 方差(variance)是一组数据中各变量与其均值离差平方的平均数,方差的算术平方根叫标准差(standard deviation).方差与标准差是反映数值型数据离散程度的主要的也是常用的方法,是描述数据分布特征的重要的统计量.
2. 变异数：心率变异性分析则是通过测量连续正常的QRS波群周期之间的变化(beat to fluctuation)变异数(Variance),从而反应心率的变化. 它不同于常用的以时间为单位的平均心率变化指标(如*大心率或*小心率等),HRV的大小并不反映心率的快慢.
3. 差异：除此之外,Breiman [Bre96a] 还从偏向(bias)和差异(variance)的角度对泛化误差进行了分析. 他指出,不稳定预测函数的偏向较小、差异较大,Bagging正是通过减小差异来减小泛化误差的. 在此之后,
1. at variance with : 与...有分歧；
2. at variance : 有分歧, 不和；
3. set at variance : 使不和；
It being reasonable for every man to vary his opinion according to the variance of his reason.
出自：Sir T. Browne
近义词
临近词
modification修改
variablenessvariable的名词形...
clash冲突
divergence分歧
discussion讨论
division划分
dissent异议
variability易变
variation变种
change变化
contradiction矛盾
inconsistency不一致
discrepancy差异
disparity不一致
disunity不统一
conflict冲突
difference差异
difference of opinion意见分歧
variant变体
disagreement不合
dispute争论
alteration改变
adjustment调整
variance cube
variance ratio
variables
variant
Variance mean
variance test
variance part
variance map
variance law
variances
variance value
variance type
相关列句
Thus, the variance for these projects is limited to a fairly small range.(因此，这种不一致性在这些项目中被限定在一个相当小的范围内。)
Ask the therapist how he or she approaches gender variance.(问问专家他是怎么处理性别混乱的孩子的。)
The more x moves, the bigger the variance is.(参数的变动越多,方差就越大)
We want a high expected value of returns, but we don't like variance.(我们希望收益的期望值较高,并且稳定)
These conclusions are totally at variance with the evidence.(这些结论与证据完全相悖。)
On the other hand, this variance can't be ignored.(另一方面，可以将此方差忽略。)
This is ten to the 12, right? It's still a huge variance.(这是十的12次方，对吗？它仍然是个巨大的变量。)
Project model variance from enterprise model.(项目模型与企业模型的不同之处。)
Spending Variance is the difference between the fixed overhead incurred and the fixed overhead budgeted.(支出差异指的是实际发生的固定间接费用与预算的固定间接费用之间的差额。)
How often will project variance be reviewed?(多久对项目的差异性评审一次？)
