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Combo charts

The combo chart is suitable for comparing two sets of measure values that are usually hard to compare because of the differences in scale.

Example combo chart

A typical example is when you have a bar chart with numeric values and want to combine these figures with values in percent. With a combo chart you can combine these values by, for example, using bars for the numeric values and a line for the values in percent. The two measures use the same dimension.

If you have yet another measure with values that are roughly in the same range as the numeric values , you can add the third measure as bars and either stack or group the new measure values with the numeric values. With grouped bars, you can easily compare two or more items in the same categorical group. Stacked bars combine bars of different groups on top of each other and the total height of the resulting bar represents the combined result.

Example combo chart with stacked bars to include multiple measures

Information noteThe combo chart can only be displayed vertically.

Number of columns (dimensions and measures)

In a combo chart, you need at least one dimension and one measure. You can only have one dimension but up to 15 measures.

Columns (dimensions and measures)

Default settings for a combo chart

Most native Qlik Sense chart types are automatically sorted on the dimension content:

  • Numeric content is numerically sorted.
  • Categorical content is alphabetically sorted.

Out of range

You can set a range limit for the measure axis in the measureAxes object. Without a limit, the range is automatically set to include the highest positive and lowest negative value, but if you set a limit you may have values that exceed that limit. A bar that exceeds the limit will be cut diagonally to show that it is out of range. For a line data point value that is out of range, an arrow indicates the direction of the value.

"measureAxes": [ { "show": "all", "dock": "near", "spacing": 0.5, "autoMinMax": false, "minMax": "minMax", "min": 150, "max": 200 }, { "show": "all", "dock": "far", "spacing": 1, "autoMinMax": false, "minMax": "minMax", "min": 0.05, "max": 0.65 } ]

Example combo chart with range limiting

Bars, lines and markers

The series object resides inside each measure definition in the hypercube (or column). It defines how to visualize the series (as a bar, line or marker) and also which y-axis to use, where 0 is the primary axis and 1 is the secondary axis.

{ "qDef": { "qLabel": "Typical", "qDef": "Median(DrDist)", "series": { "type": "bar", "axis": 0 } } }, { "qDef": { "qLabel": "Max", "qDef": "Max(DrDist)", "series": { "type": "marker", "axis": 0, "marker": "diamond", "markerFill": true } } }, { "qDef": { "qLabel": "Avg", "qDef": "Avg(DrDist)", "series": { "type": "marker", "axis": 0, "marker": "line", "markerFill": true } } }

Example combo chart with specific axes applied to specific dimensions and measures

Time-aware charts

Time-aware charts are visualizations that use a continuous scale to provide a complete and accurate view of time-based data. That is, when you enable continuous scaling on the x-axis in a chart with date fields, data points are separated from each other by a distance relative to their associated time. As well, the axis labels are evenly separated whether or not there is data for that point and the chart view is compressed to avoid scrolling.

A continuous scale is most commonly used with date fields such as:

  • Second
  • Minute
  • Hour
  • Week
  • Month
  • YearMonth
  • Quarter
  • YearQuarter
  • Year
  • Date
  • Timestamp

Example time-aware combo chart

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