Histogram
The histogram is suitable for visualizing distribution of numerical data over a continuous interval, or a certain time period. The data is divided into bins, and each bar in a histogram represents the tabulated frequency at each bin.
When to use it
The histogram is suitable for visualizing distribution of numerical data over a continuous interval, or a certain time period.
Advantages | Disadvantages |
---|---|
The histogram organizes large amounts of data, and produces a visualization quickly, using a single dimension. | The histogram is not relevant for detailed analysis of the data as it deals with a summary of the data distribution. |
Creating a histogram
You can create a histogram on the sheet you are editing. You can only apply a single dimension to a histogram. Histograms do not need a measure, as the frequency of the binned data is automatically calculated.
Do the following:
- From the assets panel, drag an empty histogram to the sheet.
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Add the dimension to calculate the frequency on.
When you have created the histogram, you may want to adjust its appearance and other settings in the properties panel.
See: Histogram properties
Dimension limitations
There are some limitations to the dimension used in a histogram.
- The dimension must be a numerical field.
- You cannot use a master dimension that was created using the expression editor, even if the resulting field is numeric.
- The dimension cannot be based on an aggregation function.
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