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SHL returning cores vs coaching changes

analysis•1 min read

Is it the coach’s name that moves the table — or the returning core?

Across 52 SHL team-seasons (2021/22–2024/25), returning-core share correlated with points% (r = 0.32). Mean age did not (r = −0.05). Coaching keep-vs-change barely moved Δ points%. The club’s level mostly stays.

How to read it

Plot returning-core share against points%. Sticky cores (≥70% returning) sit higher; age is almost flat. Coach keep vs change is a small wobble around the same club level.

Where the full story lives

This is the method note behind the Gapminder-style frame on /hockeyanalytics. The published write-up with charts is on The Hockey Analytics. Pipelines and publishing stack: Hockey Analytics platform.

#hockey-analytics#SHL#analytics

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