Developers versus Data Scientists and Data Engineers

• Application Developers
  About 40% of app developer questions evolve around the implementation of machine learning models through Python, addressing errors in Python, and testing their code. The other 60% of developer headaches center around model training, optimizing predictions, and general machine learning topics. 
  

  Cluster chart of topics asked by application developers on Stackoverflow.

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Data Scientists and Data Engineers
Model-related questions, questions about optimizing prediction quality, and general machine learning-related questions make up approximately 70% of the total of data science and data engineering questions on Stackoverflow. General machine learning questions and problems, and questions about "image recognition" make up the rest. 
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Cluster chart of topics asked by data scientists and data engineers on Stackexchange.

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