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Another Melt-Up, Another Crash With James Picerno

Lead-Lag Live

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Is R the Best Quant Back Tester?

A lot of the very serious quant back testers use R, because it's probably less error prone than using Excel where you can have butterfly effects in the equations. I've done some consulting over the years with wealth managers who had insanely complicated Excel spreadsheets and I turned them into R code for them. You got to write the code once, but once it's written, you're done. It just saves a huge amount of time and just allows you to do so much more.

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