What topics can I ask about here?

Please look around to see if your question has been asked before. It’s also OK to ask and answer your own question.

Examples of questions that are likely to be on-topic for Data Science Stack Exchange:

  • Given process monitoring data arriving every 10ms, what statistical tool should I use to best characterize a change in the process - mean? a distribution?
  • When is it suitable to apply L1 regularization for feature selection?
  • I would like to produce a infographic on the 'Brexit' referendum. Given public opinion data across the UK, what are some meaningful techniques to visaualize it in a dashboard?
  • When executing an ARIMA model in Spark, what are the pros and cons of using Python instead of R?
  • Given Facebook Likes, is there an ML technique to predict age and gender?

If your question is not specifically on-topic for Data Science Stack Exchange, it may be on topic for another Stack Exchange site. For example, questions here are frequently also suitable, or more suitable, on one of:

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