If rain stops play in the T20 World Cup final, a fair result will depend on Professor Steve Stern, the Australian data analyst charged with cricket’s complex and controversial DLS system
The SCG scoreboard tells the story as England win a controversial rain affected game on run rate in the World Cup semi-final against South Africa in 1992, a statistical anomaly that gave rise to the DRS system.The SCG scoreboard tells the story as England win a controversial rain affected game on run rate in the World Cup semi-final against South Africa in 1992, a statistical anomaly that gave rise to the DRS system.
“Frank’s perspective on this as a cricket fan is always interesting to me, because I’m a mathematician by trade, a data analyst,” Stern, a professor of data science at Bond University, tells Guardian Australia. “He was quite quick in keeping me grounded, saying, ‘Simple is better unless we need to go complicated, as long as a simple approach gives us something that’s justifiable’. He wanted the method to be understandable to your rank and file fan.
“But as soon as we start seeing it’s out by three or four runs, maybe the patterns have changed enough. Then we have a discussion with the ICC about whether that is big enough for us to make a change.”
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