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Using With / Without teammate context

Compare whole-game player production when a selected teammate appeared versus games where that teammate did not appear.

Where to find it

Follow this path in the StatMindX interface.

1Basketball
2Player Directory
3Choose a player
4With / Without tab

What you are trying to answer

Use teammate availability as historical context without misreading it as possession-based on/off analysis or causal impact.

How to use it

1

Choose the teammate

Select the teammate whose availability you want to use as the split.

2

Set the sample

Choose sample window, venue and minimum number of qualifying games required on each side.

3

Read With and Without

With includes games where both players appeared; Without includes games where the selected player appeared and the teammate did not.

4

Read the delta

The displayed change is Without average minus With average for the same metric.

5

Inspect the games

Check the actual opponents, venues, injuries and role changes before attributing the difference to the teammate.

Worked example

Worked example: a With / Without delta is not a causal effect

A player averages 14.2 points in 12 games With a teammate and 18.0 points in 5 games Without that teammate. StatMindX shows a +3.8-point delta.

1

The +3.8 delta is 18.0 Without minus 14.2 With.

2

The split is based on whole-game availability, not possessions where the two players were literally on or off the court together.

3

The two sides are also unbalanced: 12 With games versus only 5 Without games.

4

Check whether minutes, starting role, opponents, venue or injuries changed in the Without games before attributing the difference to the teammate.

Takeaway

The split identifies an association worth investigating. It does not estimate the teammate’s causal impact on the selected player.

What the important terms mean

With

Whole-game appearances where both the selected player and teammate played.

Without

Whole-game appearances where the selected player played and the teammate did not.

Minimum games / side

Minimum number of qualifying appearances required before the split is treated as interpretable.