Variance
形容词: 1. 变异的,不一致的 2. 差异的,不同的 名词: 1. 方差,变异度 2. 分歧,差异 3. 变化,变动词语辨析:
variance 和 variation 都表示变异、差异的意思,但它们在使用上稍有不同。variation 通常指的是相似事物之间的差异,而 variance 更侧重于数值或数据的离散程度。词汇扩充:
1. variance analysis: 方差分析 2. variance-covariance matrix: 方差协方差矩阵 3. explained variance: 解释方差 4. residual variance: 残差方差 5. within-group variance: 组内方差 6. between-group variance: 组间方差近义词:
difference, disparity, divergence, fluctuation, variability反义词:
consistency, uniformity, similarity柯林斯词典:
名词 1. 方差 方差是一组数据的离散度量,用于衡量数据点与其平均值之间的差异。 2. 差异 差异是指两个或多个事物之间的不同或不一致性。 形容词 1. 变异的 如果某事物或某人是变异的,那么它们在某种程度上是不同或不一致的。牛津词典:
名词 1. 方差 方差是一种衡量数据离散度的统计量,它测量了一组数据点与其平均值之间的差异。 2. 差异 差异是指两个或多个事物之间的不同或不一致性。 形容词 1. 变异的 如果某事物或某人是变异的,那么它们在某种程度上是不同或不一致的。用法:
1. 方差是统计学中常用的概念,用于度量数据的离散程度。 2. 这些样本之间的方差很大,说明它们之间存在较大的差异。 3. 方差分析是一种常用的统计方法,用于比较不同组之间的差异。例句:
- The variance in test scores among the students was quite significant. (学生们的考试成绩差异相当大。)
- There is a high variance in the prices of houses in this neighborhood. (这个社区的房价差异很大。)
- The variance between the two sets of data is quite small. (这两组数据之间的差异很小。)
- The variance analysis revealed significant differences between the groups. (方差分析显示了组间的显著差异。)
- The explained variance in the model is 80%. (该模型的解释方差为80%。)
- The residual variance indicates the amount of unexplained variation. (残差方差表示未解释的变异量。)
- The within-group variance is used to assess the homogeneity of the samples. (组内方差用于评估样本的同质性。)
- The variance-covariance matrix is commonly used in multivariate analysis. (方差协方差矩阵常用于多元分析。)
- The variance of the stock returns is a key factor in portfolio management. (股票收益的方差是投资组合管理的关键因素。)
- The variance in customer preferences makes it challenging to meet everyone's needs. (顾客偏好的差异使得满足每个人的需求变得具有挑战性。)
- The variance between the experimental results and the theoretical predictions was unexpected. (实验结果与理论预测之间的差异是出乎意料的。)
- The variance of temperature in this region is quite large throughout the year. (这个地区的温度变化在一年中相当大。)
- The variance in rainfall patterns can have a significant impact on agriculture. (降雨模式的差异对农业有着重要影响。)
- There is a wide variance in the quality of these products. (这些产品的质量差异很大。)
- The variance in opinions among the team members led to a lengthy discussion. (团队成员之间意见的差异导致了一场长时间的讨论。)
- The variance in income levels between the different regions is quite significant. (不同地区之间的收入水平差异相当大。)
- Her constantly changing moods and behaviors are indicative of a high level of emotional variance. (她不断变化的情绪和行为表明她情绪起伏较大。)
- The variance between the two models lies in their processing speed. (这两个模型之间的差异在于它们的处理速度。)
- The variance in academic performance among the students can be attributed to various factors. (学生们在学业表现上的差异可以归因于各种因素。)
- The variance in weather conditions affected the outcome of the outdoor event. (天气条件的差异影响了户外活动的结果。)
- There is little variance between the two solutions proposed. (这两个解决方案之间的差异很小。)