Bar Chart
Visualizes the attributes of a data set in bar chart format.
Information at a Glance
|
Parameter |
Description |
|---|---|
| Category | Explore |
| Data source type | DB, HD |
| Send output to other operators | No |
| Data processing tool | Pig |
Use this operator to choose the following three attributes (columns) in the data table as the dimensions in the bar chart:
- The X dimension (Category) takes a category-type attribute to construct the X-axis.
- The Y dimension (Value) takes a numerical attribute to construct the Y-axis.
- The grouped dimension (Series) accepts a category-type attribute to group the bars in the chart.
Input
A data set from the preceding operator.
Configuration
| Parameter | Description |
|---|---|
| Notes | Notes or helpful information about this operator's parameter settings. When you enter content in the Notes field, a yellow asterisk appears on the operator. |
| Category | The categorical column for the X-axis. |
| Series | The categorical column for the groups. |
| Value | The numerical column for the Y-axis. |
Output
Visual Output
A bar chart such as the following example.
Data Output
None. This is a terminal operator.
Example
The following example shows housing sale prices (Value) by number of bedrooms (Category) for each number of baths (Series).
