Alternatives to Kaggle/Other sites for machine learning & competitions?

Hi, here at Kaggle I highly appreciate the chance to work on competitions and have the possibility to learn something new, especially within the forums. On the other hand I noticed an increase in image processing competitions, where a decent graphic card/GPU-Power is required, and also a big increase in the data set size. This limits the participation possibility due to the need of a decent graphic card/GPU-Power and highspeed network. This means new investment in further compute ressources. Based on the current changes in the progression system, the privacy (activity tracker) and discussion I am wondering. Are there other sites for machine learning available? Competitions and forums would be nice too. Do you know alternatives to Kaggle? Note: I have heard about Numerai, which is completely anonym, has no…


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