Command Reference : Matrix Language Reference
  
 
@colpctiles
Compute percentile values for each column of a matrix.
Syntax: @colpctiles(m[, o])
m: matrix, vector
t: (optional) string
Return: matrix, vector
Returns a matrix where each column contains the percentiles of the values of the corresponding column of m
The option o controls the direction of the ranking: ā€œaā€ (ascending - default) or ā€œdā€ (descending).
Cross-references
See also @colranks.