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This is very useful when presenting two data series with a very different scale and might be expressed in different units. The above two types of graphs can be combined to create a combo chart with bars and lines.
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Source: Dashboards and Data Presentation course Bar charts have a much heavier weight than line graphs do, so they really emphasize a point and stand out on the page. Highlight each single series with a different colorīars (or columns) are the best types of graphs for presenting a single data series.Since line graphs are very lightweight (they only consist of lines, as opposed to more complex chart types, as shown below), they are great for a minimalistic look. This is the perfect solution for showing multiple series of closely related series of data.
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The most common, simplest, and classic type of chart graph is the line graph.
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