interquartileRange(A)
Computes the interquartile range of array A.
interquartileRange(M)
Returns an array with the interquartile range of each column of matrix M.
See also frequencies
Example
A=(1,2,2,2,3,3,4,4,5,5,5,5,6,6,7,9)
( 1 2 2 2 3 3 4 4 5 5 5 5 6 6 7 9 )
interquartileRange(A)
3.5
M=randommatrix(10,4,99)
/ 30 58 52 1 \
| 61 92 89 64 |
| 57 6 45 63 |
| 86 8 29 60 |
| 4 87 0 63 |
| 8 94 82 35 |
| 57 95 80 52 |
| 89 61 81 94 |
| 49 29 1 65 |
\ 62 79 74 74 /
interquartileRange(M)
( 43.5 68.75 59.25 19.5 )