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wangxin525

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sox    7.2  3.8  6.8  9.2  5.6
sox    5.4  2.3  4.6  8.9  9.0
sox    6.7  NA  7.8  9.0  3.1
goo    2.4  6.7  NA  9.0  2.1
goo    2.1  5.6  7.8  9.7  1.2
pkk    2.5  4.3  6.5  4.9  0.2
pkk    2.1  3.4  3.2  NA  4.6
pkk    3.2  5.6  6.7  9.1  2.2
Õâ¸ö¾ØÕóºÜ¼òµ¥£¬¾ÍÊÇÓÐһЩͬÃûµÄÐУ¬ÏÖÔÚÎÒÒª×öµÄÊÇ£¬°ÑÕâЩͬÃûµÄÐеÄÊý¾Ý°´Ã¿Ò»Áкϲ¢ÆðÀ´£¬°´Ê²Ã´ºÏ²¢£¬°´ÕÕÿһÁÐµÄÆ½¾ùÖµÀ´ºÏ²¢

¾ÍÊÇ˵£¬±ÈÈçÐÐÃûΪsoxµÄÐУ¬µÚÒ»ÁÐÊý¾ÝΪ: 7.2, 5.4, 6.7 ÄÇôµÚÒ»ÁÐµÄÆ½¾ùÖµ¾ÍÊÇ(7.2+5.4+6.7)/3=6.4,
µÚ¶þÁÐÊý¾ÝΪ3.8, 2.3, NA, ÄÇôƽ¾ùÖµ¾ÍÊÇ  (3.8+2.3)/2=3, ÒÔ´ËÀàÍÆ£¬µÃµ½Ã¿Ò»ÁÐµÄÆ½¾ùÖµ£¬×÷Ϊ×îºóµÄÖµ£¬ÄÇôÐÐÃûΪsoxµÄÐÐ×îºó¾ÍºÏ²¢Îª£º
sox  6.4  3  ....

ÏÂÁÐÊdzÌÐò£º
#!/usr/bin/perl
use strict;
use warnings;
use Data:umper;
my %hash;
my %line;
while(<>{
   my @a = split;
    for my $i (0..($#a-1)) {
       $hash{$a[0]}->[$i] += $a[($i+1)];
       $line{$a[0],($i)}++ ;
   }
}
for my $k (keys %hash) {
   for my $i (0..(@{$hash{$k}}-1)) {
       $hash{$k}->[$i] /= $line{$k,($i)};
   }
}

print Dumper(\%hash);
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