Post #2525

Now, let's move to the next topic of data analytics roadmap: Types of Data✍️ You work with three data types. 1. Structured Data • Fixed rows and columns • Easy to store and query • Lives in databases and spreadsheets • Examples: Sales table with date, product, revenue; Employee table with ID, department, salary • Where you see it: Excel, SQL databases, CRM and ERP systems 2. Semi-structured Data • No fixed table format • Has tags or keys • Needs parsing before analysis • Examples: JSON from APIs, XML files, Log files • Where you see it: Web applications, Mobile apps, Cloud systems 3. Unstructured Data • No defined format • Harder to analyze • Needs advanced tools • Examples: Text reviews, Emails, Images, audio, video • Where you see it: Social media posts, Customer feedback, Call recordings Why this matters to you • Most analyst jobs start with structured data • Semi-structured data appears in modern products • Unstructured data leads to AI and NLP roles Mini task for today 1. Open Excel. Create a structured table with 3 columns and 5 rows. 2. Download a sample JSON file from any API site. Identify keys and values. Next topic: Tools used in data analytics. Double Tap ♥️ For More