Line charts are effective for demonstrating change over time, comparisons, and trends, but should be limited to four or fewer data values to avoid clutter.
Utilizing a consistent scale is essential for accurate comparisons in line charts. Comparing values using similar units ensures clarity and helps users interpret data accurately.
Color is essential in data visualization; however, it's crucial to combine colors with shapes, patterns, or direct labels to enhance understanding and accessibility.
Labels in line charts must be spaced adequately to prevent overlap, and tooltips on hover should be utilized to deliver detailed information, improving user experience.
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