plot_data_in_pairs.m

% Liouliakis Nikolaos  AEM: 10058
% Panagiotis Syskakis  AEM: 10045

clear;
close all; 

file = "Heathrow.xlsx";

% Make sure the file exists
if  exist( file , 'file') ~= 2        
        fprintf('\nThe file named : %s does not exist in the current directory' , file);
        fprintf('\nThe current directory is named : %s \n' , pwd);
        return        
end


Table = readtable(file);
Names = Table.Properties.VariableNames ;
fprintf('Loaded the file named : %s \n' , file);    





V = Table.Variables ;
% n choose k all combinations 
pairs = nchoosek(2:10, 2);


tic
for i = 1 : length(pairs) 
    
    % Access the element at the current index
    temp = pairs(i,:);
    index1 = temp(1);
    index2 = temp(2);
    name1 = Names{index1};
    name2 = Names{index2};
    
    
    % Do something with the pair    
    fprintf('Calculating for the Pair %s %s \n' , name1 , name2 );    
    
    X = V(:,index1) ; 
    Y = V(:,index2) ;
    
    figure;
    plot(X,Y,"s");
    
    
    text = sprintf( "Pair %s %s \n" , name1 , name2 );
    title(text);
    
end
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