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Help on creating a comma-separated list of financial time series objects

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dave
dave el 14 de Dic. de 2013
Cerrada: MATLAB Answer Bot el 20 de Ag. de 2021
I'm trying to create a list of comma-separated financial time series objects (fints), in order to pass it to the financial toolbox function merge(). I currently have a 500x1 cell array, where each cell contains one fints. Now I'd like to merge the closing prices (of each fints) into a final fints while keeping only the data points whose dates intersect. I've tried numerous ways to do that, but in the end all of them resulted in errors which said that somehing's wrong with the comma-separated list. This is my latest (ugly and non-working) attempt:
for i = 1:length(cellarray),
list{i} = strcat('cellarray{',num2str(i),'}.Close');
end
finalFints = merge(list{:},'DateSetMethod','Intersection');
Any help would be greatly appreciated...

Respuestas (1)

Walter Roberson
Walter Roberson el 14 de Dic. de 2013
T = {cellarray.Close};
finalFints = merge(T{:}, 'DataSetMethod', 'Intersection');
You might need
T = cellfun( @(F) F.close, cellarray, 'Uniform', 0);
finalFints = merge(T{:}, 'DataSetMethod', 'Intersection');
  1 comentario
dave
dave el 14 de Dic. de 2013
Editada: dave el 14 de Dic. de 2013
Thanks Walter, your second solution gives me the desired comma-separated list. However, due to the fact that the closing price series all have the same names , the merge () function obviously just collapses all of them into a single series. But since I would like to have all of the series in the final fints, I'm now trying to give each of the closing price series a unique name using the function chfield (). Is there a way to make your code solution work also with different series names?

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