Mission control
Configure a round, investigate records, then submit your marked observations.
The first three numeric columns become game features.
Score
0
Time
90s
Marked
0
Streak
0
Precision
—
Recall
—
Canvas investigation field
Click points to mark or unmark observations. Hover to inspect record details.
Find unusual product sales records
Look for observations that differ from the main pattern.
Detection assistant
Interquartile rangeIQR
Flags values beyond quartile fences. It is robust against extreme values.
Hint ready.
Hints reveal investigation strategies and reduce your score.
Round active.
Mark suspicious observations, compare evidence, then submit.
Achievements
Data table investigation
Sort columns, search records, inspect values, and select rows.
Showing records.
Visual evidence dashboard
Zoom, hover, select points, and compare distribution evidence.
Round report and exports
Review metrics, preserve results, or replay the same seeded dataset.
True positives
0
False positives
0
False negatives
0
F1 score
—
Responsible investigation: an unusual record is not automatically wrong. Verify its source, context, units, collection process, and business meaning before correcting or removing it.