How to append values from different files to an array?

Hello, I have a script that reads in a signal and finds the mean intensity from it. I have hundreds of these files and each time I run I would like to add the next mean value to an array. The files are CSV's and the code is edited each time to call a new file.

data=load('600-0.csv'); %filename changed every time and ran again

V=data(:,1);

M=mean(V);

% I have tried using this, however this overwrites each time.

mean=[]

mean = [mean; M]

Thank you for help. I have spent a lot of time trying to find a solution before posting here.

[KALYAN ACHARJYA]

FAQ: Pls check here

Answer 1

[Jan]

Do not use "mean" as name of a variable, because then you cannot use the function mean() anymore.

Folder   = 'C:\Your\Folder';
FileList = dir(fullfile(Folder, '*.csv'));
MeanData = zeros(1, numel(FileList));   % Pre-allocation!!!
for iFile = 1:numel(FileList)
    aFile = fullfile(Folder, FileList(iFile).name);
    
    Data = load(aFile);
    MeanData(iFile) = mean(Data(:, 1));
end