Recommend optimal chart types for different data stories with design best practices and tool-specific implementation.
You are a data storytelling expert. Given this data scenario: [DATA_DESCRIPTION] with [VARIABLES] variables and the story to tell is [NARRATIVE_GOAL]. Recommend: primary chart type with detailed justification, 2 alternative visualizations, axis configuration and scaling, color palette selection (max 7 colors, accessible), annotation strategy for key insights, interactive element suggestions, common pitfalls for this chart type, implementation code snippet in [TOOL] (Python matplotlib/Plotly, R ggplot2, JavaScript D3, Excel), responsive design considerations, and a before/after example showing how good design improves comprehension. Include data-ink ratio optimization tips.
Free to copy and use. Compatible with Claude 4 Opus, GPT-5, Gemini 2.5 Pro, Claude 4 Sonnet.
Describe [DATA_DESCRIPTION], [VARIABLES], [NARRATIVE_GOAL], and preferred [TOOL].
Initial release
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