variables are transformed into percentile rankings and converted to a [0, 1] scale, where rankings are obtained by annually ranking observations and assigning them in equal numbers to 100 portfolios.
请问这句话是不是要把变量转换为0-1的百分位数。后面的意思是每年都要分为100组吗?谢谢.
楼主: suly
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[问答] sas 如何转换为百分位数 |
博士生 19%
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