Subject   age    Sex    distance miss
        1          8     2       21.0   0
        1         10     2       20.0   0
        1         12     2       21.5   0
        1         14     2       23.0   0
        2          8     2       21.0   0
        2         10     2       21.5   0
        2         12     2       24.0   0
        2         14     2       25.5   0
        3          8     2       20.5   0
        3         10     2       24.0   1
        3         12     2       24.5   0
        3         14     2       26.0   0
        4          8     2       23.5   0
        4         10     2       24.5   0
        4         12     2       25.0   0
        4         14     2       26.5   0
        5          8     2       21.5   0
        5         10     2       23.0   0
        5         12     2       22.5   0
        5         14     2       23.5   0
        6          8     2       20.0   0
        6         10     2       21.0   1
        6         12     2       21.0   0
        6         14     2       22.5   0
        7          8     2       21.5   0
        7         10     2       22.5   0
        7         12     2       23.0   0
        7         14     2       25.0   0
        8          8     2       23.0   0
        8         10     2       23.0   0
        8         12     2       23.5   0
        8         14     2       24.0   0
        9          8     2       20.0   0
        9         10     2       21.0   1
        9         12     2       22.0   0
        9         14     2       21.5   0
       10          8     2       16.5   0
       10         10     2       19.0   1
       10         12     2       19.0   0
       10         14     2       19.5   0
       11          8     2       24.5   0
       11         10     2       25.0   0
       11         12     2       28.0   0
       11         14     2       28.0   0
       12          8     1       26.0   0
       12         10     1       25.0   0
       12         12     1       29.0   0
       12         14     1       31.0   0
       13          8     1       21.5   0
       13         10     1       22.5   1
       13         12     1       23.0   0
       13         14     1       26.5   0
       14          8     1       23.0   0
       14         10     1       22.5   0
       14         12     1       24.0   0
       14         14     1       27.5   0
       15          8     1       25.5   0
       15         10     1       27.5   0
       15         12     1       26.5   0
       15         14     1       27.0   0
       16          8     1       20.0   0
       16         10     1       23.5   1
       16         12     1       22.5   0
       16         14     1       26.0   0
       17          8     1       24.5   0
       17         10     1       25.5   0
       17         12     1       27.0   0
       17         14     1       28.5   0
       18          8     1       22.0   0
       18         10     1       22.0   0
       18         12     1       24.5   0
       18         14     1       26.5   0
       19          8     1       24.0   0
       19         10     1       21.5   0
       19         12     1       24.5   0
       19         14     1       25.5   0
       20          8     1       23.0   0
       20         10     1       20.5   0
       20         12     1       31.0   0
       20         14     1       26.0   0
       21          8     1       27.5   0
       21         10     1       28.0   0
       21         12     1       31.0   0
       21         14     1       31.5   0
       22          8     1       23.0   0
       22         10     1       23.0   0
       22         12     1       23.5   0
       22         14     1       25.0   0
       23          8     1       21.5   0
       23         10     1       23.5   1
       23         12     1       24.0   0
       23         14     1       28.0   0
       24          8     1       17.0   0
       24         10     1       24.5   1
       24         12     1       26.0   0
       24         14     1       29.5   0
       25          8     1       22.5   0
       25         10     1       25.5   0
       25         12     1       25.5   0
       25         14     1       26.0   0
       26          8     1       23.0   0
       26         10     1       24.5   0
       26         12     1       26.0   0
       26         14     1       30.0   0
       27          8     1       22.0   0
       27         10     1       21.5   1
       27         12     1       23.5   0
       27         14     1       25.0   0