Do you know of a good library for gradient boosting tree machine learning?

preferably:

  • with good algorithms such as AdaBoost, TreeBoost, AnyBoost, LogitBoost, etc
  • with configurable weak classifiers
  • capable of both classification and prediction (regression)
  • with all kinds of allowed signals: numbers, categories or free text
  • C/C++ or Python
  • opensource

So far I have found http://www.multiboost.org/home which looks good. But I wonder if there are other libraries?

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