varience

“Variance” 词典内容

词性及含义

• 名词：variance 指的是一种变化、差异或偏差，通常用于统计学和数学中，表示数值之间的离散程度。

• 形容词：variational 相关的，表示与变化或差异有关的。

词语辨析

variance 常用于描述数据的离散程度，而 variational 主要用于描述与变化过程相关的事物。两者虽然相关，但适用的语境不同。

词汇扩充

• variant: 变体，指某种事物的不同版本。

• vary: 动词，表示变化或不同。

近义词

• diversity: 多样性，强调不同的种类或形式。

• discrepancy: 不一致，强调两个事物之间的差异。

反义词

• similarity: 相似性，强调两个或多个事物之间的相似之处。

• uniformity: 一致性，强调事物在某种程度上的相同。

用法

• Variance is a measure of the spread of a set of values.

  方差是衡量一组数值的分布程度。

• The variance in test scores indicates how well the students performed relative to each other.

  考试分数的方差表明学生之间的表现差异。

• Reducing the variance in data can lead to more accurate predictions.

  降低数据的方差可以导致更准确的预测。

• The high variance in the results suggests that there were many influencing factors.

  结果的高方差表明有许多影响因素。

• In statistics, the variance is calculated by averaging the squared differences from the mean.

  在统计学中，方差是通过计算与均值的平方差的平均值来得出的。

• They found a significant variance between the two groups in their responses.

  他们发现两组在反应上存在显著的差异。

• To understand the variance, we need to analyze the underlying data.

  要理解方差，我们需要分析基础数据。

• The variance of stock prices is an important factor for investors.

  股票价格的方差是投资者的重要因素。

• There is a noticeable variance in the quality of products from different manufacturers.

  来自不同制造商的产品质量存在显著的差异。

• The researchers reported a variance in the effectiveness of the treatment across different demographics.

  研究人员报告了不同人群中治疗效果的差异。

• Understanding the variance helps in identifying outliers in the data.

  理解方差有助于识别数据中的异常值。

• A high variance model may overfit the training data.

  一个高方差的模型可能会过拟合训练数据。

• They measured the variance to assess the risk involved.

  他们测量了方差以评估所涉及的风险。

• Statistical methods can help in reducing the variance of the estimates.

  统计方法可以帮助减少估计的方差。

• The variance of the temperature readings was larger than expected.

  温度读数的方差超过了预期。

• Every time the experiment is repeated, the variance may change.

  每次实验重复时，方差可能会改变。

• They needed to control the variance in their measurements for accuracy.

  他们需要控制测量中的方差以确保准确性。

• The results showed a variance that warranted further investigation.

  结果显示的方差值得进一步调查。