The changes of average income a year of urban population in Shanghai and cities and towns are analyzed and forecast. According to the international universal purchasing power coefficient R.

接着分析和预测了我国城镇和上海市居民家庭年均收入变化情况，并根据国际通用的购买力系数R，对普通家庭购买经济型轿车能力及形成年份作了预测。

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The difference between them is 12.42. This mean difference implies a correlation coefficient of r = .381, which is reasonably large in any survey data.

两者之间的差是12.42. 这就是说差距暗示了一个相关系数r=.381,这在任何调查中无疑都是一个很大的系数差。

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Results The average equivalent sound level and the detectable rate of workers hearing loss were exponential positive correlation, the coefficient of correlation r was 0 812 45.

结果听损检出率随平均等效声级的增加而呈明显的增加趋势，平均等效声级与噪声作业人员的听损检出率呈密切的指数正相关关系（相关系数r为0 812 45 ）。

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And then the repulsive term, some positive coefficient r and r to a very high number.

然后排斥力，一些正系数,以及具有很大数值的。

麻省理工公开课 - 固态化学导论课程节选

In statistics, the coefficient of determination, denoted R2 and pronounced R squared, is used in the context of statistical models whose main purpose is the prediction of future outcomes on the basis of other related information.

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