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• Category - data that can't be compared, enumerations like type of cars, countries. For category like dimension default scale is ordinal.
• Order - data that can be only ordered, like enumerations. Default scale here is ordinal.
• Measure - data that can be ordered and subtract (subtraction of dates is a duration, subtraction of integer is an integer, etc...). Default scale - linear.

Smart QL charts support following scales: ordinal, linear, color, logarithmic, fill, identity, period, size, time, value.

Configuration

You can change default mapping of a column from your view to a dimension type by using dimensions element in a gadget configuration.

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