--- title: The Data Science Lifecycle: How Raw Data Becomes Real... description: A beginner-friendly walkthrough of the data science lifecycle, covering each stage from problem definition and data collection through cleaning, exploratory... canonical: https://daily.dev/posts/the-data-science-lifecycle-how-raw-data-becomes-real-business-decisions-wt5armh1t twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The Data Science Lifecycle: How Raw Data Becomes Real Business Decisions | daily.dev og:description: A beginner-friendly walkthrough of the data science lifecycle, covering each stage from problem definition and data collection through cleaning, exploratory... og:url: https://daily.dev/posts/the-data-science-lifecycle-how-raw-data-becomes-real-business-decisions-wt5armh1t og:image: https://api.daily.dev/og/posts/WT5ARmH1T.png og:image:alt: The Data Science Lifecycle: How Raw Data Becomes Real Business Decisions og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # The Data Science Lifecycle: How Raw Data Becomes Real Business Decisions **[Medium](https://daily.dev/sources/medium_js)** · 6 min read · 0 upvotes · 0 comments ## Summary A beginner-friendly walkthrough of the data science lifecycle, covering each stage from problem definition and data collection through cleaning, exploratory data analysis, model building, evaluation, deployment, and ongoing monitoring. Uses relatable examples like Netflix recommendations and bank fraud detection to illustrate how raw data becomes actionable business decisions. Emphasizes that model building is just one part of a broader, continuous process. ## Full article daily.dev links to this article rather than hosting it. 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