Interquartile range
returns the interquartile range of the values in r
= iqr(x
)x
.
If x
is a vector, then r
is the difference between the 75th and the 25th percentiles of the
data contained in x
.
If x
is a matrix, then r
is a row vector containing the difference between the 75th and the
25th percentiles of the sample data in each column of
x
.
If x
is a multidimensional array, then
iqr
operates along the first nonsingleton
dimension of x
. The size of this dimension
becomes 1 while the sizes of all other dimensions remain the
same.