# Perspective: Chart - X Bar

## Single Dimension
Count by primary dimension

## Two Dimensions
Group within a bin by secondary dimension
Compute aggregate statistic on each group

Tip: Sort each dimension

![X Bar Single Dimension](./images/user/046_Perspective__Chart___X_Bar_1.png)

![X Bar Two Dimensions](./images/user/046_Perspective__Chart___X_Bar_2.png)