as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
how is data collected for machine learning?
user
data for machine learning can be collected in various ways. it can be collected from existing databases or it can be manually collected and organized. data can also be collected by scraping the web and other online sources, such as social media and online forums. additionally, data can be collected through crowdsourcing, surveys, direct observations, and interviews.
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