The Pearson coefficient of correlation r equals 1 when there is/are no:
举一反三
- Pearson’s product moment correlation coefficient 可用来判断：
- 2(marks 3). Which of the following is an incorrect statement. A: The product moment correlation coefficient can be used with non-numeric data. B: The product moment correlation coefficient is the definitive measure of correlation. C: The rank correlation coefficient can be used as an approximation to the product moment coefficient. D: The rank correlation coefficient can be used with non-numeric data .
- In regression analysis, if the coefficient of determination is 1.0, then the coefficient of correlation must be 1.0.
- If the coefficient of correlation r = 0, then there is no linear relationship whatsoever between the dependent variable y and the independent variable x.
- 中国大学MOOC: 皮尔逊相关系数（Pearson Correlation coefficient ）可将两组变量之间的关联度规整到一定的取值范围内。下面对皮尔逊相关系数描述不正确的是（ ）