"Just as it would be hard to compare G.E.-Honeywell with the Tetra Laval-Sidel case, the comparison with the Microsoft case is unjustified," he said.
Even cancer rates can be hard to compare from one country to another, noted Dr. H. Gilbert Welch, also of Dartmouth, and, with Dr. Schwartz, a researcher with the V.A. Outcomes Group in White River Junction, Vt.
"Mortgages today often come with so many different types of fees and points that it can be hard to compare offers," Richard Cordray, the director of the consumer bureau, said.
If these were regressed untransformed against the socio-economic index, their relative regression coefficients would be hard to compare and interpret.
After all, it can be hard to compare club form when players are strewn across different leagues on both sides of the Atlantic.
One obstacle is that unlike SAGE, these methods tell you how much a gene is expressed relative to other genes, so it will be hard to compare results across experiments.
