I've already looked into a few projects, and I'm interested in data analysis, but I'm not sure where to start. I have basic-level Python knowledge and I'm getting familiar with SQL. Which methods should I learn first to get started? For example, do I just want to move away from Excel—are there JSfiddle-style tools for that? Or should I dive straight into real datasets? What do you recommend?
I want to play with data, but how should I start?
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Python and SQL skills are your foundation—now it's time to dive straight into practice! The first step to playing with data is choosing a project that will motivate you and keep you engaged while learning. For example, I used to analyze monthly temperature distribution using data from IoT devices at home (sensors, thermostats, etc.). For starters, a small CSV file is enough—this also helps break your reliance on Excel.
When it comes to tools, there are browser-based environments like JSFiddle: you can use Google Colab (Python) or Jupyter Notebook. This way, you can see and modify your code instantly. Start by learning SQL, then transfer the data to Python, and visualize it step by step with simple graphs (using Pandas + Matplotlib). Remember, working with real data is best—it lets you practice while making it easier to interpret the results!