Results 11 to 20 of about 967,895 (156)
Sichuan jingshen weisheng, 2021 The purpose of this paper was to introduce the CMH χ2 test and SAS software implementation of the three kinds of R×C contingency table data. The first type was called “two-way unordered R×C contingency table data”.
Hu Chunyan, Hu Liangping
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How to use χ2 test correctly——the log-rank test and the implementation of SAS software
Sichuan jingshen weisheng, 2021 The purpose of this article was to introduce the log-rank test and the SAS implementation. There were many different expression forms for the test statistics of the log-rank tests.
Hu Chunyan, Hu Liangping
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How to use χ2 test correctly——the independence test for the data of the person-time
Sichuan jingshen weisheng, 2021 The purpose of this paper was to introduce the independence test and the SAS implementation for the "unstratified person-time data" and the "stratified person-time data".
Hu Chunyan, Hu Liangping
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Sichuan jingshen weisheng, 2021 The purpose of this article was to introduce the χ2 test and SAS and R software implementation of three kinds of two-way unordered two-dimensional contingency table data except the four-fold table data.
Hu Chunyan, Hu Liangping
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Sichuan jingshen weisheng, 2021 The purpose of this paper was to introduce the linear trend χ2 tests for the data of the two kinds of one-way ordinal two-dimensional contingency tables and the implementation of SAS and R software.
Hu Chunyan, Hu Liangping
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How to use χ2 test correctly——the likelihood ratio test and the implementation of SAS software
Sichuan jingshen weisheng, 2021 The purpose of this article was to introduce the likelihood ratio test and the SAS implementation. Specifically， three definitions of the likelihood ratio test statistics and six more commonly used likelihood ratio test statistics were introduced.
Hu Chunyan, Hu Liangping
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An improved algorithm for the maximal information coefficient and its application [PDF]
Royal Society Open Science, 2021 The maximal information coefficient (MIC) captures both linear and nonlinear correlations between variable pairs. In this paper, we proposed the BackMIC algorithm for MIC estimation.
Dan Cao +4 more
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Sichuan jingshen weisheng, 2021 The purpose of this article was to introduce the likelihood ratio test， six nonparametric tests， and the SAS implementation of the survival data. Based on the assumption that the survival data had the exponential distribution， the likelihood ratio test ...
Hu Chunyan, Hu Liangping
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Sichuan jingshen weisheng, 2021 The purpose of the paper was to introduce the three special tests of the survival data and the SAS implementation. Specifically， it was the multiple comparisons， the trend test and the covariate test of the survival data.
Hu Chunyan, Hu Liangping
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Percutaneous coronary intervention in the elderly: changes in case-mix and periprocedural outcomes in 31758 patients treated between 2000 and 2007 [PDF]
, 2010 <p>Background: The elderly account for an increasing proportion of the population and have a high prevalence of coronary heart disease. Percutaneous coronary intervention (PCI) is the most common method of revascularization in the elderly.
Eteiba, H. +9 more
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