Tag: Excel
-
Excel Pivot Tables to Pandas GroupBy: Migration Guide
Excel pivot tables break at 500MB. Pandas groupby handles 1M rows in 18ms. See the actual migration steps with messy data and real pitfalls.
-
Why Excel Still Beats Python for 80% of Data Analysis
Excel beats Python for most business data tasks. Here's when to use each โ based on real timing comparisons, cognitive load, and iteration speed.