"We showed great character to come back into it and that's credit to the lads," Ferdinand told the club's official website. "You have to say it's a good point, even if we wanted all three.
"Every time we went behind, we got back on the front foot and put them under pressure. We showed great resilience and character to get back into the game. We have to take the positives."
QPR continue their Premier League campaign next Saturday when they make the trip to Southampton.