X Axis: Category vs. Value - 13 views
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While the Y axis is a Value type axis, the X axis can be a Category type axis or a Value type axis. Using a Value axis, the data is treated as continuously varying numerical data, and the marker is placed at a point along the axis which varies according to its numerical value. Using a Category axis, the data is treated as a sequence of non-numerical text labels, and the marker is placed at a point along the axis according to its position in the sequence.