Total data in the group

Can someone help me how to calculate the sum of this data.

[7 3 11 11 10 10]

that is i would like to make

• group 7 = 1 data
• group 3 = 1 data
• group 11 = 2 data
• group 10 = 2 data

[Chad Greene]

Consider unique.

Answer 1

[dpb]

>> d=[7 3 11 11 10 10];
>> u=unique(d);
>> [u;histc(d,u)]
ans =
   3     7    10    11
   1     1     2     2
>>

[Ellina]

Thank you so much, its work.