$stats
     [,1]      [,2]
[1,]  0.0  0.000000
[2,]  0.0  0.000000
[3,]  0.0  3.166667
[4,]  0.6 10.000000
[5,]  1.5 17.000000

$n
[1] 45 48

$conf
           [,1]      [,2]
[1,] -0.1413195 0.8861331
[2,]  0.1413195 5.4472002

$out
 [1]  1.600000  6.000000  1.700000  4.000000  6.000000
 [6]  1.733333 15.833333 11.000000  1.750000 39.000000

$group
 [1] 1 1 1 1 1 1 1 1 1 2

$names
[1] "diur" "noct"

