2、Unleashing the Power of the Command Line in Data Science

Unleashing the Power of the Command Line in Data Science

Data Science: The OSEMN Model

Data science, a field still in its early stages, has various definitions. One practical definition is the OSEMN model, which consists of five steps:
1. Obtaining Data : Without data, data science is nearly impossible. You may need to acquire data through methods such as:
- Downloading from another location, like a web page or server.
- Querying from a database or API, for example, MySQL or Twitter.
- Extracting from another file, such as an HTML file or spreadsheet.
- Generating data yourself, like reading sensors or conducting surveys.
The obtained data is often in plain text, CSV, JSON, or HTML/XML format.
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