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Ben Manguiat

Reaching level 9 in ranked TFT meant a top‑4 finish 87% of the time.

I loaded 399,906 ranked boards into Snowflake to see what separates top‑4 finishes.

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By Ben Manguiat. Data analyst looking for product, BI and data analyst roles. B.S. Information Systems, Miami University, 2026.

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Top-4 rate by player level at the end of the gameShare of boards that finished in the top four of eight

Source: 399,906 player boards from 49,977 Set 3 ranked matches (Korean server, Platinum to Challenger), cleaned and queried in Snowflake. Players who are already ahead level faster, so this is an association, not a cause.

  • SQL
  • Snowflake
  • PostgreSQL
  • Power BI
  • DAX
  • Python
  • pandas
  • scikit-learn
  • K-Means
  • Star schemas
  • Jira
  • Scrum

More analyses

Electronics was losing margin to discounts and returns.

A PostgreSQL star schema and Power BI dashboard over 63,635 order items found 7.62% average discounting and a 7.26% return rate in Electronics.

PostgreSQL, SQL, Power BI, DAX

Return rate by product group
NameReturn rate
Electronics7.62% average discount
7.26%
Accessories44.21% gross margin
5.55%

Source: 63,635 order items, $5.94M net revenue, modeled in PostgreSQL.

Only 22 of 163 NFL players earned an elite fantasy tier.

I scored players on Value Over Replacement so every position shares one scale, then used K-Means to split them into four draft tiers: 22 elite, 36 high-end starters, 73 average, 32 below replacement.

Python, Scikit-Learn, K-Means, Pandas

Players per fantasy draft tier
NamePlayers
Elite
22
High-end starters
36
Average
73
Below replacement
32

Source: 163 players in the repo's 2024 sample dataset, K-Means with k=4 on Value Over Replacement.

Scrum Master for a six-person team that shipped a client’s site redesign.

Ran sprints in Jira, handled client communication, and led a usability audit of the service pages for Woodland Country Manor.

Team
6 people
Sprints
2 weeks
Tools
Jira, Wix Studio

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