homoscedasticity
名词
英 ['hɒməʊsɪdæs'tɪsətɪ] 美 ['hɒmoʊsɪdæs'tɪsətɪ]
基本释义
n.[统]同方差性 方差齐性
词根词缀
前缀
homo
相同
+
词根
scedast
散布，离散
+
后缀
ic
与...有关的，...的
+
后缀
ity
状态，性质
homo + scedast + ic + ity = homoscedasticity
网络释义
统计学上指一组数据的方差恒定，即各组数据的方差相等。
Wiktionary英语原文词典
该词在Wiktionary英文原文中有详细的英文释义、词形变化、词源和词汇关系。
查看英文原文词典详情例句
1. In linear regression, homoscedasticity assumes that the variability of the residuals is constant across all levels of the independent variable.
2. Violations of homoscedasticity can lead to incorrect inferences and biased estimates in statistical analysis.
2. Violations of homoscedasticity can lead to incorrect inferences and biased estimates in statistical analysis.
实用场景例句
商务邮件
Before finalizing the sales forecast model, we must verify the homoscedasticity of the residuals to ensure accuracy.
在最终确定销售预测模型之前，我们必须验证残差的同方差性以确保准确性。
学术写作
The Breusch-Pagan test was conducted to assess the homoscedasticity of the regression model.
进行了Breusch-Pagan检验以评估回归模型的同方差性。
旅游出行
I brought my stats textbook on vacation, trying to understand homoscedasticity while relaxing by the pool.
我度假时带了统计学教科书，试图在泳池边放松时弄懂同方差性。
日常对话
My stats professor kept talking about homoscedasticity today, and I still don't get why variance needs to be equal.
我的统计学教授今天一直在讲同方差性，我仍然不明白为什么方差必须相等。
社交媒体
Spent 3 hours checking for homoscedasticity in my data... the life of a data science student is so glamorous! 📊😭
花了3个小时检查我数据的同方差性……数据科学学生的生活真是太迷人了！📊😭
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