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How do NBA play-type frequency and points per possession answer different questions?

Play-type frequency describes how often a selected type appears within the report's overall event sample. Points per possession, or PPP, describes the points recorded per possession for that type. Frequency is about share or usage; PPP is about scoring output. To compare them, keep the report filters, event labels and possession assignments consistent, including how fouls, turnovers and offensive rebounds are handled.

For Bettors and cappers interpreting basketball statistics · Updated

Frequency describes how often a play type appears

The NBA Stats glossary describes frequency as the percentage of events that fit specified criteria relative to overall events, and identifies it as a Play Type measure. It helps answer how much of the selected sample belongs to a play type, using the report's chosen filters and event population.

A frequent play type is not automatically a productive one. Its frequency does not say how many points each possession produced.

PPP describes points per possession

The glossary defines PPP as points per possession and also identifies it as a Play Type measure. It helps answer how many points the tracked possessions of that type produced on average, rather than how large that type's share was.

Before comparing a frequency with PPP, preserve the same date range and other report filters and confirm how the data provider assigned play types, possessions and points. NBA Stats notes that an offensive rebound lengthens a possession rather than creating a new one.

A fictional report with ten eligible possessions

Hypothetical example: A fictional provider's filtered report contains ten eligible offensive possessions, four labeled Pick-and-Roll Ball Handler and six assigned other play types. Its summary reports 4 of 10, or 40% frequency. In the four selected possessions, the provider's ledger records: P1, a made two-point shot for 2 points; P2, a turnover for 0; P3, a shooting foul with two made free throws for 2; and P4, a missed shot, offensive rebound and made two-point putback for 2, with the rebound extending that same possession. Those four possessions produce 6 points, so PPP is 6 divided by 4, or 1.5. The 40% share and 1.5 PPP answer different questions. The provider's labels and possession IDs are assumptions for this fictional calculation, not NBA play-type classification rules.

Related questions

Can a play type be frequent but have low PPP?

Yes. Frequency measures its share of the selected event sample, while PPP measures points per possession for the type. A large share does not guarantee high scoring output.

Does an offensive rebound create a new possession for PPP?

NBA Stats says an offensive rebound lengthens the current possession rather than creating another possession. Check the provider's possession assignments before calculating or comparing PPP.

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