Check Distribution

Function to check distribution of unique elements in a vector or matrix.

Function to check distribution of unique elements in a vector or matrix.

result=checkdistribution(x)

'result' would be a 2-column matrix, column 1 indicating which unique
numbers are present (in ascending manner), column 2 indicating how many
of them. Sum of column 2 gives total number of elements in x.
Also, plots the result, no. of apperance vs. unique elements.
It is useful for integer vector/matrix with repeatations. For effective
use in float vector/matrix, one has to round the float vector/matrix
before checking the distribution.

Example: result=checkdistribution([1,1,2,2,2,3,3,3,3,10])
result =

1 2
2 3
3 4
10 1

i.e., there are two 1's, three 2's, four 3's and one 10 in x.

If x is a string, the result includes the ASCII values of the letters,
and their countings. ASCII table can be found: www.asciitable.com

Example: result=checkdistribution('apple')
result =

97 1
101 1
108 1
112 2

i.e., one 'a'(97), 'e'(101), 'l'(108), and two 'p'(112).