Conditional growth charts

The Annals of Statistics published a “discussion paper” on Conditional growth charts by Y. Wei and and X. He, with 4 comment papers and a rejoinder from the authors. It’s reminiscent of the Crooked Timber book events (Iron Council was a particular favorite), only significantly more formal. It’s a new format to me for mathematical publication, and almost feels like “peer review in public,” with the mean comments taken out. Perhaps if I get some time I’ll read the paper for real and see what the fuss is about…