Saturday, August 27, 2016

AdaBoost 9: Boost by majority afterthought

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After some time I've realized that all this monkeying with the conditional probabilities in the Bayesian table is not necessary. You ca...
Saturday, August 20, 2016

AdaBoost 8: Boost by majority

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When I wrote before The premise of boosting is that we're able to find a number of methods (what they call "hypotheses" in A...
Saturday, August 6, 2016

Bayes 23: enumerated events revisited

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Another idea that I've glimpsed from the book on boosting is the handling of the enumerated events, previously described in the part 19 ...

Bayes 22: overfitting revisited

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Previously I've been saying that I didn't experience overfitting in the Bayesian models, and pretty much discounted it. Now I've...

AdaBoost 7: multi-class & unseen combinations

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The basic idea behind the multi-class (and also multi-label, i.e. where each case may have more than one outcome) AdaBoost can be described ...
Tuesday, August 2, 2016

Bayes 21: mutual exclusivity and independence revisited

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I've been thinking about the use of AdaBoost on the multi-class problems, and I've accidentally realized what is going on when I...
Saturday, July 2, 2016

AdaBoost 6: multiple confidence ranges & other thoughts

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One of the chapters I quickly read through was on using a better estimation of probability of the success of the partial hypotheses (in the ...
Tuesday, June 28, 2016

AdaBoost 5: the square root and the confidence value

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The question of what should be used as the confidence value for Bayesian computations is a thorny one. In my previous take on it I've u...
Friday, June 24, 2016

AdaBoost 4 or the square root returns

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I've had to return the library book on boosting. I've ordered my own copy, but on the last day I've paged through the more inter...
Sunday, May 29, 2016

AdaBoost 3 and Bayesian logic

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I think I've figured out a way to express the workings of AdaBoost in terms of the Bayesian processing, and I think it becomes simpler t...
Saturday, May 28, 2016

Summary of Bayes by weight

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This is a copy of the post from my MSDN blog. If you've been reading this blog, you've already seen all the ideas described here. Bu...
Sunday, May 22, 2016

AdaBoost in simpler formulas 2

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I've been reading along the book on boosting, and I'm up to about 1/3 of it :-) I've finally realized an important thing about h...
Saturday, April 9, 2016

career advice 3

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As I've mentioned before, I've read the book "Friend & Foe" by Adam Galinsky and Maurice Schweitzer, and I went to se...

career advice 2

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For an example of a good career advice, I want to point to James Whittaker.  I've attended his classes "Career Superpowers" an...
Friday, April 8, 2016

career advice 1

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I went to see a book presentation by Tarah Wheeler Van Vlack on career advice for women in technology. And I think it's all bad advice. ...
Friday, March 18, 2016

AdaBoost in simpler formulas

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I'm reading a book about the "boosting": the machine learning idea that a better algorithm can be built by combining multiple ...