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[FZH] 求教一个数学问题
Dee.H.Y
Saturday, 20 August 2011
Sat, 20 Aug '11
3:09 a.m.
210 15 237 15 239 15 258 15 284 15 290 15 300 15 307 15 341 15 366 15 372 15 605 15 608 15 205 16 212 16 237 16 239 16 290 16 300 16 314 16 341 16 351 16 370 16 607 16 608 16 这样一组数据 假如前面的3位数为用户的编号,后面的2位数为服务的编号 现在有15跟16这2个服务 然后如何分析这2个服务之间是否存在相关性?
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