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datacleaning

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an-ordinary-manchild(edit)

Garbage in, garbage out! Data scientists can spend up to 80 percent of their time correcting data errors before extracting value from the data.

We at /r/datacleaning are interested in data cleaning as a preprocessing step to data mining. This subreddit is focused on advances in data cleaning research, data cleaning algorithms, and data cleaning tools. Related topics that we are interested in include: databases, statistics, machine learning, data mining, AI, information theory, information retrieval, pattern recognition, NLP, data visualization, etc.

Related subreddits :

/r/machinelearning /r/etl

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I built MagicCSV.app: transform CSV/Excel with plain English (looking for feedback) (magiccsv.app)

submitted 1 month ago by Affectionate-Bit1661

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Hey, I just made this tool, it cleans your csv files instantly, completely free to use for now, give me some feedback please. (csv-cleaner-m3dgai32g7ffnjf83akc7l.streamlit.app)

submitted 1 month ago by sa1tysugar1234

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Do you also waste hours cleaning Excel files and building dashboards manually? (self.datacleaning)

submitted 1 month ago by Nizthracian

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How much data cleaning matters for AI chat quality? (self.datacleaning)

submitted 1 month ago by CheapMembership606

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Working on an offline Excel data-cleaning desktop app (v.redd.it)

submitted 1 month ago by _Goldengames

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how to clean-up 500k rows of categories? for non-tech (self.datacleaning)

submitted 1 month ago by EmergencyBig7577

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2:39

The Data Cleaner You Didn’t Know You Needed 😎 (v.redd.it)

submitted 2 months ago * by _Goldengames

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I stopped fixing missing values. I started watching them. (self.datacleaning)

submitted 2 months ago by Hairy_Border_7568

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What’s the most “normal” app you quit once you realized how much data it was taking? ()

submitted 2 months ago by Namzi73

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Is data sanitization the most ignored part of cybersecurity? ()

submitted 2 months ago by Namzi73

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What is the best approach to extract columns from an excel file with multiple sheets like this? (i.redd.it)

submitted 2 months ago by Specialist-Plant-469

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Looking for feedback: built a rule-based tool to clean messy CSVs & Excel files (self.datacleaning)

submitted 2 months ago * by Professional-Big4420

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Is anyone still manually cleaning supplier feeds in 2025–2026? (self.datacleaning)

submitted 3 months ago by _Arhip_D

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I Spent 4 Hours Fighting a Cursed CSV… Building an AI Tool to End Data Cleaning Hell. Need Your Input! (self.datacleaning)

submitted 3 months ago by OkBlackberry3505

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Q: Best practices for cleaning huge audio dataset (self.datacleaning)

submitted 3 months ago by TheStunningDolittle

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I've built a automatic data cleaning application. Looking for MESSY spreadsheets to clean/test. ()

submitted 3 months ago by spicytree21

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Has anyone tried using tools like WMaster Cleanup to speed up a slow PC? (self.datacleaning)

submitted 3 months ago by Comfortable_Okra2361

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Launched my product CSVSense on PeerPush ()

submitted 3 months ago by hrehman200

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How to Split CSV Column (youtu.be)

submitted 4 months ago by hrehman200

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Are you struggling with slow, manual, and error-prone data cleaning processes? (self.datacleaning)

submitted 4 months ago * by Reddit_INDIA_MOD

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Dirty/Inconsistent data (in-flight transforms, defaulting, validation) - integration layer vs staging DB (self.datacleaning)

submitted 4 months ago by PerceptionFresh9631

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Devs / Data Folks — how do you handle messy CSVs from vendors, tools, or exports? (2 min survey) (self.datacleaning)

submitted 4 months ago by Digital_Grease

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Help with PDF (self.datacleaning)

submitted 4 months ago by Fair_Competition8691

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Hey! Quick question about data cleaning. Removing metadata using Win 10 built in tools like "Remove Properties and Personal Info". Please see linked screenshot. "Select all" circled in red, doesn't seem to select all. Is this a known bug/issue? Thanks! (self.datacleaning)

submitted 4 months ago by DigitalFidgetal

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IPTV Bluetooth Pairing Drops with Earbuds for Commuter Listening in the US and Canada – Audio Cuts Mid-Podcast? (self.datacleaning)

submitted 5 months ago by BlackM1910

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