The Performance of Different Correlation Coefficient under Contaminated Bivariate Data
نویسندگان
چکیده
منابع مشابه
Robust Estimation of a Correlation Coefficient for Ε-contaminated Bivariate Normal Distributions
Robust estimators of a correlation coefficient based on: (i) direct robust counterparts of the sample correlation coefficient, (ii) nonparametric measures of correlation, (iii) robust regression, (iv) robust estimation of the variances of principal variables, (v) stable parameter estimation, and (vi) the preliminary rejection of outliers from the data with the subsequent application of the samp...
متن کاملEstimation of the Correlation Coefficient for Triangular Contingency Tables under the Bivariate Normal Distribution
Triangular contingency tables are a special class of incomplete contingency tables. Association and independence models are used to analyze such tables. Association models can be described in terms of the association parameters for the analysis of triangular contingency tables having ordered categories. The aim of this study is to show the relation between the association parameters of the unif...
متن کاملTest of the Correlation Coefficient in Bivariate Normal Populations Using Ranked Set Sampling
Ranked Set Sampling (RSS) is a statistical method for data collection that leads to more efficient estimators than competitors based on Simple Random Sampling (SRS). We consider testing the correlation coefficient of bivariate normal distribution based on Bivariate RSS (BVRSS). Under one-sided and two-sided alternatives, we show that the new tests based on BVRSS are more powerful than the usua...
متن کاملthe role of application of dynamic assessment approach in improvement of iranian efl writing performance at different language proficiency levels
the present study sought to investigate the role of dynamic assessment (da) in improvement of iranian efl writing performance at different language proficiency levels. to this end, after conducting the quick placement test, 60 iranian efl learners were assigned to two groups with different language proficiency levels. in both groups each participant wrote two compositions, one before and one af...
Data Type Detection for Choosing an Appropriate Correlation Coefficient in the Bivariate Case
The data scientists usually define a data type based on a nature of variables and select an appropriate correlation measure. However, this is not convenient and very time-consuming in data intensive domains. I propose to detect the types of variables and choose the appropriate correlation coefficient in order to automate the statistical procedure of correlation estimating from mixed data. This ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Mathematics and Statistics
سال: 2020
ISSN: 2332-2071,2332-2144
DOI: 10.13189/ms.2020.081301