Cork City: Resilient and Clinically Efficient or Lucky.
PDO was a concept developed in Hockey and recently brought over to soccer analysis. Simply it is a teams shots scored percentage plus their shots saved percentage. This figure is usually multiplied by 1000 just for presentation, to remove decimal places. (goals scored/shots on target + (1 - goals conceded /shots on target faced)) * 1000 A high PDO means that you are either scoring a high proportion of your chances or stopping a high proportion of your opponents chances or both. Either way a high score indicates you are performing well. What the analytics people find interestesting about the PDO is that even the best teams cannot sustain a high PDO. Studies show that short term peaks in PDO level out over a season. "Normal" values of PDO range from about 980 to 1020 according to the research . Values outside this range usually indicate that a team is over performing (or lucky) and their PDO is fully expected to regress to...