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Michael Nocito

Data analyst. I build browser-based practice kits for SQL, Excel, Python, Power BI, and Tableau, plus SQL portfolio projects that double as learning resources.

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How to Build a Tableau Dashboard and Story

How to Build a Tableau Dashboard and Story

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13 min read

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Technical Tenacity: What to Do When the Tools Fight Back

Technical Tenacity: What to Do When the Tools Fight Back

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6 min read
COUNT in SQL, Explained for Beginners

COUNT in SQL, Explained for Beginners

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6 min read
Entity Resolution: One Real Thing, Many Messy Names

Entity Resolution: One Real Thing, Many Messy Names

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6 min read
The SQL CASE Expression, Explained for Beginners

The SQL CASE Expression, Explained for Beginners

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9 min read
How SQL and Python Work Together in Data Analysis

How SQL and Python Work Together in Data Analysis

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5 min read
Why Exploratory Data Analysis Matters

Why Exploratory Data Analysis Matters

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8 min read
Your Data Is Never Fully Clean, and Analysts Ship Anyway

Your Data Is Never Fully Clean, and Analysts Ship Anyway

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6 min read
Operationalization: Turning Fuzzy Questions Into Measurable Definitions

Operationalization: Turning Fuzzy Questions Into Measurable Definitions

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6 min read
Data-Driven Thresholds: Picking Cutoffs You Can Defend

Data-Driven Thresholds: Picking Cutoffs You Can Defend

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5 min read
How to Handle Large Datasets

How to Handle Large Datasets

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7 min read
Git and GitHub for Analysts

Git and GitHub for Analysts

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5 min read
How to Set Up a SQL Database for Beginners

How to Set Up a SQL Database for Beginners

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6 min read
Your First Analysis Is the Role You Are Targeting

Your First Analysis Is the Role You Are Targeting

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11 min read
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