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Perceived Threat of COVID-19

A two-line chart with error bars. Visualizes survey data on the perceived threat of COVID-19 in the U.S. over time by political affiliation. Features grid lines along with custom colors, tooltip, and markers.
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    Perceived Threat of COVID-19

An error line chart adds error bars to line series data points, showing both the trend over time and the confidence interval around each measurement. This format is especially effective for survey data where the margin of error matters.

This sample visualizes the perceived threat of COVID-19 from March to August 2020, split by political affiliation in the United States. Democrats and Republicans are rendered as two separate line series with distinct colors (blue and red), custom markers (circles and squares), and color-matched error bars. Tooltips display in separated mode, reporting the mean value along with upper and lower error values. A horizontal grid improves readability across the tightly scaled Y axis.

Follow the step-by-step Error Chart Tutorial to learn how this chart was built. See the Error Chart documentation for all configuration options.

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