How do I name elements in a field of a structure?

I have a 1*1 structure with 4 fields. The structure was generated from anova1 so I didn't create it. One field is 33 *2 and I want to name each integer place with a string but I cannot seem to do this. Can anyone help?

Thanks! Kim

[Image Analyst]

Please show us what this says

yourStructure
whos yourStructure

so we know what it is. I don't understand. Do you want 66 variables, each with a different name that represent each of the 66 elements in your 33 by 2 array that is one of your structure fields???

[Kim]

st=
    gnames: [40x2 char]
         n: [1x40 double]
    source: 'anova1'
     means: [1x40 double]
        df: 200
         s: 1.1135

whos st
  Name      Size            Bytes  Class     Attributes

    st        1x1              1884  struct

Does this look right?

[Walter Roberson]

Okay, now what is it you want to do with the information?

It appears to me that if you want to know the group name for the group whose mean is st.means(K) then you would find it at st.gnames(K,:)

Answer 1

[Azzi Abdelmalek]

A=struct('a',rand(33,2),'b',1,'c',2,'d',3)  % your struct array
v=A.a
B.b=A.b
B.c=A.c
B.d=A.d
m=0
for k=1:33
  for p=1:2
      m=m+1
      B.(sprintf('a%d',m))=v(k,p)
  end
end

[Kim]

Azzi, Thank you I will try this Kim

Answer 2

[Walter Roberson]

I'm not sure what you mean by naming each integer place with a string?

You can use

Structurename.appropriate_fieldname(I,J)

to access at matrix location (I,J) of the field. You can use

fieldnames(Structurename)

to find out what the field names are.

You cannot, however, do something like say that you want the variable "PLU" to refer to column 1 of the field -- not without extracting it from the structure.

If you need to be able to say things like "PLU(5) = 142031" and have it affect the contents of the structure field, then you need to use a "dataset", which I seem to recall is part of the Stats toolbox.

[Kim]

Walter, thank you. That makes sense. I'll give it a try Kim

[Kim]

I'm new to Matlab, and can run all sorts of analyses but these things really get me. I'll try yours and Azzi's suggestions.

[Image Analyst]

I see you accepted Azzi's answer. So is this all solved now?