If the dimensions do not fit, you can scroll using the scroll bar, but then you might not get the full picture. You get a good overview of values when using bar charts.ĭisadvantages: The bar chart does not work so well with many dimension values due to the limitation of the axis length. The bar chart is also useful when you want to compare values side by side, for example sales compared to forecast for different years, and when the measures (in this case sales and forecast) are calculated using the same unit.Īdvantages: The bar chart is easy to read and understand. Grouping and stacking bars makes it easy to visualize grouped data. The bar chart can be displayed horizontally or vertically, as in the example below: Stacked bars combine bars of different groups on top of each other and the total height of the resulting bar represents the combined result. Stacked bars: With stacked bars it is easier to compare the total quantity between different months. Grouped bars: With grouped bars, you can easily compare two or more items in the same categorical group. The two example charts use the same two dimensions and the same measure: This requires using two dimensions and one measure. You can make more complex comparisons of data by using grouped or stacked bars. The bar height corresponds to the measure value (sales) for the different regions. Each region represents a dimension value, and has a corresponding bar. In the image, the dimension values are different regions: Nordic, USA, Japan, UK, Spain, and Germany. The dimension axis shows the category items that are compared, and the measure axis shows the value for each category item. The bar chart is suitable for comparing multiple values.
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