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benslivka.com
| | rrresearch.fieldofscience.com
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| | I've been modelling the production and uptake of GTA particles in a culture, hoping to understand the cause of the surprising GTA-accumulati...
| | uminnpressblog.com
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| | BY SETH PERLOWGeorgetown UniversityOne book, written by a computer, could have killed us all.What do you do when you're the only country in the world with atomic bombs? You make them much, much bigger. That was the US strategy right after World War II. The Cold War was beginning, and by 1952 the US would...
| | wavefunction.fieldofscience.com
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| | Hans Bethe, one of the true titans of twentieth century physics, and probably the greatest scientist who was alive, is dead at 98. A Nobel L...
| | freerangestats.info
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| Stepwise variable selection is bad and dangerous, and you shouldn't do it. It increases false positives. It drops variables that should be in the model. It gives biased estimates for regression coefficients. The problems are worse for smaller samples; higher correlation between the X variables; and models with weaker explanatory power for the y (i.e. lower R-squared).