Michael Roker Data Analytics 📊 @michaelroker

Helping others to learn | Udacity Mentor | Data Analyst at Cable Bahamas | Daily tweets on Data | Feel free to DM me! Nassau, Bahamas Joined June 2021

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Michael Roker Data Analytics 📊 @michaelroker

5 months ago

Dumping your data into S3 doesn’t make it a data lake. A real data lake has: - ✅ A catalog (what's in there) - ✅ Permissions (who can access what) - ✅ Structure (partitioning, schema) - ✅ Query tools (Athena, Redshift, etc) Without these you just have expensive storage.

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Michael Roker Data Analytics 📊 @michaelroker

5 months ago

Pretty dashboards are great — they should be visually appealing. But if they aren’t helping your team make better decisions, what’s the point? A good dashboard doesn’t just look good. It drives action. It answers real business questions. Are your dashboards helping your team…

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Michael Roker Data Analytics 📊 @michaelroker

8 months ago

Most businesses think they have a data problem. What they really have is a data process problem. Without clean, accessible data, even the best tools—Tableau, PowerBI, or Excel—will fail to deliver results. Focus on fixing the process, not just the tools.

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Michael Roker Data Analytics 📊 @michaelroker

8 months ago

As a data analyst, you’d think most of my time is spent analyzing data. The reality? Most of it goes into cleaning data. The solution? A well-built data pipeline. Good pipelines = clean, ready-to-use data = more time for real insights. Invest in your pipelines. It’s worth it.