Learn how the reverse COUNTIFS method can simplify data checks, save time, and enhance your Excel skills with binary outputs. MS Excel data ...

Excel is packed with functions, but if you're still relying on VLOOKUP, nested IF statements, or CONCATENATE, you're making your spreadsheets harder to manage than they need to be. Microsoft has newer ...

Have you ever stared at a tangled web of paired columns in your dataset—”Size 1/Value 1,” “Size 2/Value 2,” and so on, wondering how to make sense of it all? It’s a common frustration for anyone ...

How do the TEXTBEFORE and TEXTAFTER functions in Excel work? A. Excel’s TEXTBEFORE and TEXTAFTER ... I want my usernames in column B, so I place my cursor in B2, under the “Usernames” header, and use ...

retail_sales_data_pipeline/ ├─ data/ # raw & cleaned data (CSV/Parquet) ├─ duckdb_outputs/ # SQL outputs from DuckDB ├─ charts/ # generated charts ├─ extract.py # read raw CSV, preview data ├─ ...

A professional-grade Streamlit application for automated data cleaning and preparation. Perfect for data analysts, students, and businesses who need to quickly clean and prepare messy datasets.

Founded in 1920, the National Council of Teachers of Mathematics (NCTM) is the world's largest mathematics education organization throughout the United States and Canada.