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📰 Dev.to · Fixel Smith

3 articles · Updated every 3 hours · View all reads

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Detecting fraud rings: the social-graph problem in disguise
Dev.to · Fixel Smith 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3mo ago
Detecting fraud rings: the social-graph problem in disguise
Fraud at scale usually gives itself away through repetition. One phone number behind twelve...
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Eight window-function tricks beyond LAG and ROW_NUMBER
Dev.to · Fixel Smith 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 4mo ago
Eight window-function tricks beyond LAG and ROW_NUMBER
The first post in this series got more reader response than I expected. The comments were full of...
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Six SQL patterns I use to catch transaction fraud
Dev.to · Fixel Smith 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 4mo ago
Six SQL patterns I use to catch transaction fraud
Quick disclaimer: I do data work on a program-integrity team. Examples below use generic transaction...
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