英[ˌkɒrəˈleɪʃ(ə)n] n.相关;关联;相互关系 网络相关性;相关系数;关联性 复数:correlations 搭配 同义词 Adj.+n. rank correlation 权威英汉双解 英汉 英英 网络释义 correlation 显示所有例句 n. 1. 相互关系;相关;关联a connection between two things in which one thing changes as ...
Summary This chapter explains the concept, types, and properties of correlation. The correlation coefficient measures the strength and direction of correlation or correlation between two variables. The correlation coefficient varies between 鈥 1 and 1. The interpretation is different for medical research,...
相干是包含相位信息的,还是一个单位正弦波和一个单位余弦波,它们是相干的,因为具有相同的频率(恒定的相位差)。 The coherence of two waves follows from how well correlated the waves are as quantified by the cross- correlation function. The ...
A few years ago a survey of employees found a strong positive correlation between "Studying an external course" and Sick Days. Does this mean: Studying makes them sick? Sick people study a lot? Or did they lie about being sick so they can study more? Without further research we can't ...
The correlation between doubly dependent F-ratios is shown to be the correlation between singly dependent F-ratios times a function of the correlation between the F-ratios' numerators. The correlation is positive if at least one of the noncentrality parameters is zero, but may be zero or ...
Pearson's correlationis theparametric testfor correlation between two continuous (scaled-interval/ratio) variables. The assumptions to apply the test are as follows: (1)normal distribution, (2) independence of observations, and (3) linear relationship. If the first assumption, that is, normalcy, ...
Here’s one example: A number of studies report a positive correlation between the amount of television children watch and the likelihood that they will become bullies. Media coverage often cites such studies to suggest that watching a lot of television causes children to become bullies. However,...
Using the formula above, John can determine the correlation between the prices of the S&P 500 Index and Apple Inc. First, John calculates the average prices of each security for the given periods (Step 2): After the calculation of the average prices, we can find the other values. A summar...
There is a directcorrelationbetween exposure to sun and skin cancer. 皮肤暴露在太阳下与皮肤癌直接相关。 牛津词典 thecorrelationof social power with wealth 社会权力与财富的相关性 牛津词典 ...thecorrelationbetween smoking and disease. 吸烟与疾病的联系 ...
The patients recovered or died within 2 months of hospitalization, and the interval between the first or last CT scan and reverse transcription polymerase chain reaction (RT-PCR) was less than 3 days. Patients with COVID-19 confirmed by RT-PCR testing were enrolled, and both chest CT scan ...