variance
「variance」的意思
n. 分歧，不一致；变化幅度，差额；（官方的）特殊许可；（律）（两个供述或证据间的）不符；（统计）方...
n.不一致,变化,变异,变迁,分歧,不和
「variance」的用法
variance方差 - 在统计学中，方差衡量的是数据集中每个数据点与平均值之间差异的平方的平均值。
「variance」的例句
The variance of the data set is a measure of how spread out the numbers are.
数据集的方差是衡量数字分散程度的指标。
Calculating variance helps in understanding the dispersion of data points.
计算方差有助于理解数据点的离散程度。
A high variance indicates that the data points are widely spread out.
高方差表示数据点广泛分布。
A low variance indicates that the data points are close to the mean.
低方差表示数据点接近平均值。
In finance, variance is used to measure the risk of an investment.
在金融中，方差用于衡量投资的风险。
Understanding variance is crucial for making informed decisions in statistics and finance.
理解方差对于在统计学和金融中做出明智决策至关重要。
The formula for variance involves summing up the squared differences from the mean.
方差的公式涉及将与平均值的平方差异相加。
Variance can be calculated using software or manual calculations.
方差可以通过软件或手动计算。
In machine learning, variance is a key concept in evaluating model performance.
在机器学习中，方差是评估模型性能的关键概念。
High variance in a model can lead to overfitting.
模型中的高方差可能导致过拟合。