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#data-cleaning

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VTVyshnave Tallurivyshnave.hashnode.dev5d ago · 4 min read

Stop Using Heavy Libraries: How I Cleaned and Deduplicated Text Files with 25 Lines of Pure Python

In my first year of Computer Science, everyone kept telling me, "If you want to clean data in Python, you have to use Pandas." But over my summer break, I wanted to challenge myself. What if I had a m

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YAYoosuf Ahamedyuusvision.hashnode.devJun 14 · 7 min read

The 80% Reality of Data Science: Why Data Cleaning Dominates Professional Workflows

The Dirty Secret of Data Science If you’re new to machine learning, you might imagine a data scientist’s day spent optimizing hyperparameters, launching neural networks, and celebrating high model acc

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WTwajahat tajai-ml-datascience-from-scratch.hashnode.devApr 23 · 14 min read

Building a Full-Stack AI-Powered Municipal Civic Issue Management System from Scratch

From a 200-Row Dataset to a Deployed ML-Powered Platform — A Complete Developer Journey Introduction Have you ever reported a pothole to your city and never heard back? Or seen overflowing garbage bin

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MMMamun Mahmuddatainsightswithmamun.hashnode.devApr 14 · 5 min read

Data Cleaning is the Foundation of Any Data Science Project

How dirty data silently destroys machine learning performance — and why data cleaning became the backbone of every serious project I build. When I first started learning data science, I believed the

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PBPalak Bhawsarpalak-bhawsar.hashnode.devMar 15 · 6 min read

Build Serverless CSV Cleaning Pipeline with Azure Functions

In this project, I will be creating a serverless data pipeline on Azure. When a CSV file is uploaded to Azure Storage, an Azure Function automatically triggers, cleans the data by removing extra space

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Ccircobitgauchogrid.hashnode.devMar 6 · 8 min read

Data Cleaning in the Browser: Turning Web Tables into Analysis-Ready Data

You've found the perfect data table on a website. You export it. You open it in Excel or load it into Pandas. And then the problems start. Numbers are strings: "1,234,567" instead of 1234567 Decimals are inconsistent: some use ., others use , Date...

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AWAdam Wilsonhiadam.hashnode.devFeb 16 · 3 min read

Using Qlik Regex to Organise Messy Comment Fields

Free-text fields are both a blessing and a curse. They give users flexibility, but from a reporting point of view they’re often messy, inconsistent, and hard to work with. In this case, a customer had a Comments field where users manually typed infor...

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UDUnisoft Datatechunisoftdatatech.hashnode.devFeb 2 · 4 min read

Why Data Cleaning Is Critical for Reliable Business Intelligence in Global Enterprises

Enterprises across the USA, UK, Europe, Singapore, and the UAE increasingly depend on data to drive strategic decisions. From customer insights and financial forecasting to operational planning and market intelligence, data influences nearly every bu...

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BBBold BI by Syncfusionboldbi.hashnode.devJan 22 · 6 min read

Spring Clean Your Data for Accurate Insights

“A place for everything and everything in its place.” In today’s world where digital data is part and parcel of every application, a process like spring cleaning is just as important for data as it is for our homes and offices. Organizing and gettin...

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ARAnjali Raya-beginners-guide-to-text-preprocessing.hashnode.devJan 11 · 9 min read

"Garbage In, Garbage Out": Why Your AI Fails Without Text Preprocessing

Have you ever wondered how machines understand human language? Whether it's Siri answering your questions, Google predicting your search, or a chatbot helping you with customer support—it all starts with one crucial step: text preprocessing. Think of...

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#data-cleaning

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Trending tags this week

Stop Using Heavy Libraries: How I Cleaned and Deduplicated Text Files with 25 Lines of Pure Python

The 80% Reality of Data Science: Why Data Cleaning Dominates Professional Workflows

Building a Full-Stack AI-Powered Municipal Civic Issue Management System from Scratch

Data Cleaning is the Foundation of Any Data Science Project

Build Serverless CSV Cleaning Pipeline with Azure Functions

Data Cleaning in the Browser: Turning Web Tables into Analysis-Ready Data

Using Qlik Regex to Organise Messy Comment Fields

Why Data Cleaning Is Critical for Reliable Business Intelligence in Global Enterprises

Spring Clean Your Data for Accurate Insights

"Garbage In, Garbage Out": Why Your AI Fails Without Text Preprocessing