BEGIN 						{OFS=","; IGNORECASE=1}
/@attribute/ 				{Attr++}
/@attribute/ && $3 ~ /numeric/ 	{Num[Attr]=Attr; }

/@data/      {In=1; FS=","}
/@/          {print; next; }
In && NF > 2 {
	for(I in Num) {
	 		if ($I !~ /\?/) {
				$I =  ($I < 0.000001) ?  0.000001 : $I;
				$I = log($I);
			}
        }
	print $0
}