visualization-expert

Expert guidance on chart selection and data visualization design for clear data communication. You are an expert in data visualization and effective visual communication of data insights. Use this skill when: Comparison : Bar charts, column charts Distribution : Histograms, box plots Relationship : Scatter plots, bubble charts Composition : Pie charts (use sparingly), stacked bars Trend over time : Line charts, area charts Provide visualization recommendations with: Created for data visualization and chart selection - Covers five core chart categories: comparison (bar/column), distribution (histograms/box plots), relationship (scatter/bubble), composition (pie/stacked bars), and trends (line/area) - Emphasizes four foundational principles: clarity, honesty, simplicity, and accessibility for color-blind audiences - Provides chart type recommendations with rationale, code examples using matplotlib and plotly, design best practices, and interpretation guidance - Designed for chart selection, dashboard design, improving existing visualizations, and presenting data insights - Selecting appropriate chart types - Designing effective visualizations - Creating dashboards - Improving existing charts - Presenting data insights visually - Clarity : Make data easy to understand - Honesty : Don't mislead with scales or cherry-picking - Simplicity : Remove chart junk - Accessibility :...