Converting nested "summary" structure to table
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Flynn McGuire
el 24 de Jun. de 2020
Comentada: Flynn McGuire
el 25 de Jun. de 2020
Hello,
I'm trying to convert a nested structure (full of table summaries) back into a table.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/321499/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/321502/image.png)
I have tried using Nested2tables but I don't think it will work given the single the nested structure.
Is there any way to create a table of the summary data while keeping the fieldnames from BOTH structures?
Thank you!
2 comentarios
Sindar
el 25 de Jun. de 2020
So, are you expecting a table like this?
table_name size Type ...
Days_from_development [118,1] 'double' ...
HIV [52,3] 'string' ...
Respuesta aceptada
Sindar
el 25 de Jun. de 2020
Editada: Sindar
el 25 de Jun. de 2020
Here's the loop version. There may be another way, but I didn't have any luck fighting with Matlab's tricky multiple-cell return behaviour
% create minimal test structure
mystruct.Days_from_development = struct('size',[118,1],'Type','double');
mystruct.HIV = struct('size',[52,3],'Type','string');
% get a list of all the fieldnames (i.e. substructures, i.e. names of tables)
table_names = fieldnames(mystruct);
% loop over substructures
for ind=1:length(table_names)
% get the string for each substructure's name
tmp = table_names{ind};
% dump the substructure to a table row
% by turning it into a 1xN cell array and putting the substructure string as the first cell
mytable(ind,:) = cell2table([{tmp} struct2cell(mystruct.(tmp))']);
end
% rename the table variables appropriately
mytable.Properties.VariableNames = [{'table_name'};fieldnames(mystruct.(tmp))]
2 comentarios
Sindar
el 25 de Jun. de 2020
(this method is not particularly stable. If you have fields that are not all matching substructures, it will error)
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