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A Texas county's tax rate was doubled in the state file, and two of my three checks passed it

A Texas county's tax rate was doubled in the state file, and two of my three checks passed it

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6 min read
One Column, Five Date Formats: Detecting and Fixing Mixed Dates in pandas

One Column, Five Date Formats: Detecting and Fixing Mixed Dates in pandas

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5 min read
JSON to Table in Python: 10 Working Recipes

JSON to Table in Python: 10 Working Recipes

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11 min read
The Average of Percentages Lies: A Small pandas Lesson From 73,568 Business Listings

The Average of Percentages Lies: A Small pandas Lesson From 73,568 Business Listings

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3 min read
How I built a reproducible SQL and pandas pipeline from raw data to executive summary

How I built a reproducible SQL and pandas pipeline from raw data to executive summary

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2 min read
Xếp hạng bài cũ cần làm mới từ file xuất Search Console bằng pandas

Xếp hạng bài cũ cần làm mới từ file xuất Search Console bằng pandas

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3 min read
Build a cost-per-mile report for a truck from bank and card CSVs

Build a cost-per-mile report for a truck from bank and card CSVs

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5 min read
Scraping H&M Data with Python: Do Women Pay More? The Data Says Men Do

Scraping H&M Data with Python: Do Women Pay More? The Data Says Men Do

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9 min read
I Built a Scraper That Turns 1,000 Book Listings Into a Clean Excel Report — Here's How

I Built a Scraper That Turns 1,000 Book Listings Into a Clean Excel Report — Here's How

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4 min read
pandas chunks fixed my memory error, then quietly broke my averages

pandas chunks fixed my memory error, then quietly broke my averages

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6 min read
How to compare all sellers of one Allegro product by price and condition in Python

How to compare all sellers of one Allegro product by price and condition in Python

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5 min read
Scraping IKEA Data with Python: the Same Products Cost 37% More in France Than in the Netherlands

Scraping IKEA Data with Python: the Same Products Cost 37% More in France Than in the Netherlands

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9 min read
If You Know SQL, You Already Know Most of pandas

If You Know SQL, You Already Know Most of pandas

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7 min read
My import tool said row 347. The bug was on row 348

My import tool said row 347. The bug was on row 348

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4 min read
UK Companies House data with curl and Python: new companies by area, and client due dates

UK Companies House data with curl and Python: new companies by area, and client due dates

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7 min read
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