function [bits,errors,BER] = calc_ber(data_in,data_ref,skip)

data_ref = logical(data_ref)';
data_in  = logical(data_in)';

bits = 0;
bits = bits+numel(data_in(:,skip+1:end));

try
    errors = sum( data_in(:,skip+1:end) ~= data_ref(:,skip+1:end),"all" );

catch
    %warning('BER calculation not optimal: Arrays have incompatible sizes for this operation.')
    errors = NaN;
end

% Determine BER
BER = sum(errors)/sum(bits);

end