MATLAB: Select columns from a table and add them into another table

cell arraysMATLABtable

Hey all,
I have C1 and C2. Each one is (1 x 2) means that containing 2 tables inside. I want to copy column numbers 5, 6, and 8 from all tables in C1 to the exact table in C2 (after the first column of C2 and before other columns).
I think I should use vertcat and then use groupsummary but unfortunately don't know how to do that.
As my C1 and C2 have a very large size I just cut part of them and attached them, original C1 and C2 are 1 x 85.
% This is not a code but I want something like this
%copy C1{1, 1}.column5,column6,column8
%paste to C2{1, 1}>>> in front of first existing column
%copy C1{1, 2}.column5,column6,column8
%paste to C2{1, 2}>>> in front of first existing column
Any advice is truly helpful
Thank you so much
Best regards

Best Answer

Hello, you don't need to use "groupsummary" or "vertcat" for this. Instead use; "addvars". I think this should do nicely:
% Taking "C2" to be the cell with tables you are copying into, using data from tables in cell "C1"
for i=1:size(C2,1)
    for j=1:size(C2,2)
        % Replace "Var5", "Var6", and "Var8" with names of your table column variables in cell "C1" at positions: 5,6,and 8 as you mentioned
        C2{i,j}=addvars(C2{i,j},C1{i,j}.Var5,C1{i,j}.Var6,C1{i,j}.Var8,'Before',2);
        % "2" specifies to insert the data after the first column
    end
end
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