Beyond saying that it didn't work, he wouldn't discuss the details Renaissance's methods are proprietary and secret but he did share with me the key to his investing success: he "never overrode the model".
Nigel Gault, the chief United States economist at IHS Global Insights, a Boston research firm, says IHS's projections, using proprietary methods and different economic variables, show the president facing a tough battle.
Anyone who has spent more than five minutes studying the US credit-rating agencies knows they rack up the costs of being poor (and Black), amplify inequality and disappear down a rabbit hole of proprietary methods and non-disclosure agreements the moment you try to figure out why one bad datum means you suddenly can't get credit, an apartment lease or even a job interview.
McKinsey and Bain, two of the best-known firms, consider their methods proprietary (and turned down requests from Economist.com for interviews about them).
I t's certainly true that engineering firms and architects could make more if their methods were proprietary, but we demand openness because we need to be able to maintain hospitals regardless of the fortunes of any engineering firm, and because we need the reassurance you get from being able to double-check the load calculations on your own.
Most commercialized methods for TNT assay-with the exception of Cold Regions Research and Engineering Laboratory of the U.S. Army CRRELL) method-use proprietary chemicals, and the color stability and intensity are highly dependent on the composition of the organic solution comprised of acetone or methanol.
The results are compared with known methods and commercial/proprietary computer codes prevalent in the industry.
The points in this dataset were also classified by the provider into ground and non-ground categories using their proprietary method and TerraScan software (TerraSolid Ltd., Helsinki, Finland).
The source of the DOM is from fresh water in Northern Europe, and the final DOM product has been concentrated by a proprietary method and is commercially available from FBSciences, Inc.
The LiDAR points were processed, geo-referenced and classified by the service provider into ground and non-ground categories using their proprietary method and MARS software (Merrick & Company, Colorado, USA).
