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IntroductionMachine learning models improve by learning from their mistakes. A model begins with imperfect parameters, makes predictions, measures how far those

Modern applications often need different systems to communicate with each other. A mobile app may request user data from a backend. A web frontend may ask the s

Modern IT systems are rarely built with one technology. A business application may run in the cloud, use databases to store information, rely on DevOps pipeline

Business data rarely arrives in a perfectly usable form. A spreadsheet may contain duplicate records, extra spaces, mixed date formats, blank cells, spelling va

A business can collect hundreds of metrics, but decision-makers usually need only a smaller set to understand whether performance is moving in the right directi

A user may see only a few screens while completing a task, but the designer has to think carefully about every step that connects those screens. This sequence i

Writing code is only one part of software development. Developers spend significant time finding defects, understanding unexpected behavior, improving readabili

Businesses often need to make decisions before the future is known. A retailer may want to estimate next month’s demand. A bank may want to assess whether a bor

Businesses often want to know what may happen next.A retailer may want to estimate future sales. A bank may want to understand the risk of loan default. A subsc

IntroductionBusiness analytics becomes more useful when learners understand how different departments use data for different decisions. Sales teams focus on rev