From the course: Data Science Foundations: Data Assessment for Predictive Modeling
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Researching the dataset
From the course: Data Science Foundations: Data Assessment for Predictive Modeling
Researching the dataset
- [Narrator] I want to talk a little bit about how to properly research a data set. And I want to caution you against relying too heavily on subject matter experts. They're critical to what we do, but they're also busy. So you want to be as self-sufficient as possible. So here we are. We're looking at the UCI webpage for the census income data set. What I want you to imagine is that you're pulling data from a data warehouse or from another source. And the IT team is going to maintain some kind of a data catalog, data dictionary, metadata that's going to help you understand where the data is. However, don't underestimate how frequently you're going to be pulling data from all kinds of different places. Census data, tied to zip code, to better understand the neighborhood of a customer or possibly weather data. There are numerous times that I'm reaching for data outside the context of a data warehouse. So let's scroll down a…
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