Xinyi (Larry) Le’s Post

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Data science and analytics | Columbia MA Statistics 22'

💻Some thoughts on fast-paced vs slow-paced ds projects: * Fast-paced model development is not always good. If our goal is to make effective model as well as 'right' product decisions, we may need to consider a lot of scenarios. For example, if we analyze the data and find that making one product change can improve monetization and click through rate, should we tell pm to implement it right now? Not really. How about long term influence, users may have some complaints but just cannot find another better product right now. But once the product comes, users will go and we never know why if we only look at 1-2 week experiment data. * Analyze data based on intuitive thinking. It's important that we use the same standard to analyze data, but is ctr decrease really bad as we think it is? In a relatively slow-paced ds projects, we may have more time to analyze if the decresed clicks are effective or not, and that may lead to a totally different result. It's easy to look at data and say we find some trends, but data is cold and needs our thoughts to make it 'warm' enough to make the right decision.

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