AnalysisDRAFT ENTRY
Scatter plot
A quantitative chart that places each observation by two numeric variables to reveal patterns and outliers.
Use this diagram to generateUSE WHEN
Correlation, clustering, or outliers matter.
AVOID WHEN
One variable is categorical or the sample is too small.
VISUAL GRAMMAR
01x-axis02y-axis03observations04trend05outliers
SEMANTIC RULES
- Show units on both axes.
- Do not imply causation from correlation.
- Use labels only for important points.
QUESTIONS IT ANSWERS
- Do the variables move together?
- Which observations are unusual?
DRAFT MACHINE CONTRACT
id: scatter status: draft family: analysis reading_task: Inspect distribution, clusters, and correlation. grammar: - x-axis - y-axis - observations - trend - outliers checks: - show_units_on_both_axes - do_not_imply_causation_from_correlation - use_labels_only_for_important_points