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perl求相同键的平均值,数据格式：总共7列,针对第一列相同的行求均值如NM001001602第2列的均值是(205.43463+47.435944)/2,第3,4,5,6,7列的类同第2列NM001001602205.43463239.7637230.73375197.03249240.88821226.4
题目详情
perl求相同键的平均值,
数据格式：总共7列,针对第一列相同的行求均值
如
NM_001001602 第2列的均值是(205.43463+ 47.435944)/2,第3,4,5,6,7列的类同第2列
NM_001001602 205.43463 239.7637 230.73375 197.03249 240.88821 226.43277
NM_001001602 47.435944 77.31326 50.267868 40.17934 64.991585 49.62147
NM_001001735 112.31517 125.89848 122.64608 118.446526 130.04828 120.74504
NM_001001735 1270.8607 1209.9384 1251.1422 1275.7206 1202.5714 1218.7322
NM_001001735 173.03308 173.14339 180.8838 146.67555 175.78665 184.62595
NM_001001735 186.55054 182.86397 194.90225 157.09143 187.75502 211.9546
NM_001001735 40.707973 40.857243 33.129772 27.282007 48.847885 37.89951
NM_001001735 516.3434 406.86636 445.4813 471.7909 441.83853 465.7195
NM_001001792 216.9522 216.37071 224.99547 171.77809 220.25784 204.99301
NM_001001798 121.19965 233.49982 213.86636 78.18739 195.4493 203.5904
NM_001001798 266.16254 346.94345 364.1465 255.06589 306.82077 308.03278
NM_001001798 35.88672 78.122406 74.23688 33.60063 71.81083 76.96245
NM_001001804 11.39011 9.341003 12.965926 10.635739 10.348938 10.585288
NM_001001880 598.06964 518.94226 572.78503 640.57306 522.5515 590.94836
NM_001001880 743.82837 422.26556 558.8968 540.78125 437.08975 510.19922
数据格式：总共7列,针对第一列相同的行求均值
如
NM_001001602 第2列的均值是(205.43463+ 47.435944)/2,第3,4,5,6,7列的类同第2列
NM_001001602 205.43463 239.7637 230.73375 197.03249 240.88821 226.43277
NM_001001602 47.435944 77.31326 50.267868 40.17934 64.991585 49.62147
NM_001001735 112.31517 125.89848 122.64608 118.446526 130.04828 120.74504
NM_001001735 1270.8607 1209.9384 1251.1422 1275.7206 1202.5714 1218.7322
NM_001001735 173.03308 173.14339 180.8838 146.67555 175.78665 184.62595
NM_001001735 186.55054 182.86397 194.90225 157.09143 187.75502 211.9546
NM_001001735 40.707973 40.857243 33.129772 27.282007 48.847885 37.89951
NM_001001735 516.3434 406.86636 445.4813 471.7909 441.83853 465.7195
NM_001001792 216.9522 216.37071 224.99547 171.77809 220.25784 204.99301
NM_001001798 121.19965 233.49982 213.86636 78.18739 195.4493 203.5904
NM_001001798 266.16254 346.94345 364.1465 255.06589 306.82077 308.03278
NM_001001798 35.88672 78.122406 74.23688 33.60063 71.81083 76.96245
NM_001001804 11.39011 9.341003 12.965926 10.635739 10.348938 10.585288
NM_001001880 598.06964 518.94226 572.78503 640.57306 522.5515 590.94836
NM_001001880 743.82837 422.26556 558.8968 540.78125 437.08975 510.19922
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答案和解析
这个可以这样做 ,读取每一行 然后 把读取的内容 按其第一列 的值 为hash 的key ,其value为一个匿名hash的引用这个匿名 hash 的内容为 元素个数 和 相同第一列的每一列的和 .读完所有文件 之后,对 这个hash 循环 ,输...
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