Compute the mean of a bucket

Hello,

I have this sorted array (15 x2):

A = [

9.5690 245.5560;

11.2911 183.8890;

11.6965 190.4440;

13.4213 181.6670;

13.6207 163.0000;

15.6435 155.4440;

32.2641 121.3330;

34.8958 108.5560;

35.2021 129.8890;

37.3774 92.6667;

37.6286 129.4440;

39.8975 126.7780;

40.2312 122.0000;

42.3333 133.3330;

58.3510 23.0000];

I'd like to create 5 bins for A(:, 1) and compute the mean of A(:,2) wrt to the corresponding bin.

How could I do this without histcount() ?

Thank you

[Matt J]

How could I do this without histcount() ?

Why is there a need to avoid histcounts?

Answer 1

[Matt J]

bins = discretize(A(:,1),5);

averages = splitapply(@mean,A(:,2), bins)

[Steven Lord]

You could also use groupsummary instead of splitapply.