% author: M.M.Haji
% email : mehdi.haji@gmail.com
%
function reformat_dtree(in_file, out_file)
% in_file: name of the file that is generated by gen_text_data
% out_file: name of the output file to be generated for dTree (a java application)
% dTree treats the attributes value as strings, so float data of in_file
% should be converted to discrete data.

D = textread(in_file);
outf = fopen(out_file,'w');

% write the attribute and target concept names as the first line of the file:
fprintf(outf,'T: ');
for i4 = 1:18
    fprintf(outf,'f%d, ',i4);
end
fprintf(outf,'IsText;\r\n');

[nr nc] = size(D);
for i1 = 1:nr
    fprintf(outf,'A: ');
    for i2 = 1:nc-1
        if D(i1,i2) < -250
            dsc = 'S3';
        elseif D(i1,i2) < -150
            dsc = 'S2';
        elseif D(i1,i2) < -50
            dsc = 'S1';
        elseif D(i1,i2) < 50
            dsc = 'CE';
        elseif D(i1,i2) < 150
            dsc = 'B1';
        elseif D(i1,i2) < 250
            dsc = 'B2';
        else
            dsc = 'B3';
        end
        fprintf(outf,'%s, ',dsc);
    end
    fprintf(outf,'%d;\r\n',D(i1,nc));
end
    
fclose(outf);