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

data_ref=logical(data_ref)';
data_in = logical(data_in)';
bits = 0;

% Determine BER

bits = bits+size(data_in,2)-skip;

try
    errors = sum( data_in(:,skip+1:end,:) ~= data_ref(:,skip+1:end,:),2 );

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

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

end