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在实验研究和流行病学调查的资料统计分析过程中,卡方(χ2)检验是常用的方法之一,R×2卡方检验是对多组(包含四格表,R=2)随机样本率或构成比之间差别的显著性检验方法,用以说明两类属性现象之间是否存在一定的关系。检验结果说明比较的资料抽样误差发生的概...
The chi-square (χ2) test is one of the commonly used methods in the statistical analysis of experimental research and epidemiological investigation. The R × 2 chi-square test is a randomized sample analysis of multiple groups (including four-cell table, R = 2) Rate or composition ratio of the difference between the significance of test methods to illustrate whether there is a certain relationship between the two types of attribute phenomena. Test results show that the comparison of data sampling error occurred ...