Apple Pages '09 - Manual (Page 235)

Chapter 10 Creating Charts from Data 235
To specify the display format for the data values, choose an item from the Format Â
pop-up menu. Choose Custom if you want to use a custom number format you’ve
previously set up, or if you want to create one; see “Creating a Custom Number
Format” on page 207 for more information.
To show negative numbers preceded by a minus sign or in parentheses, choose
Â
(–100) from the adjacent pop-up menu.
To specify the number of decimal places shown, type a number in the Decimals field.
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To change the text attributes of the data point labels, see “ Â Formatting Text Size and
Appearance” on page 82.
To change the color and texture of series elements, or format data point symbols and
value labels, use the Series pane of the Chart inspector. See “Formatting the Elements
in a Chart’s Data Series” on page 233.
To learn about formatting options that are unique to a given chart type, see
“Formatting Specific Chart Types” on page 237.
Showing Error Bars in Charts
You can show error bars around data points in all 2D chart types, except for pie charts.
Choose from different line ends and colors in the Graphic inspector.
To show error bars for the data points in a selected series:
1 In the Chart inspector, click Series, and then click Advanced at the bottom of the
Inspector window. Then click Error Bars.
For scatter plots, you can have error bars for both data series. Set them separately by
following the instructions for both the axes.
2 From the pop-up menu, choose how you want the error bars to be displayed:
Positive and Negative: Displays full error bars, both above and below each data point.
Positive Only: Displays only the part of each error bar that falls above its data point.
Negative Only: Displays only the part of each error bar that falls below its data point.
3 From the second pop-up menu, choose the kind of error bar you want to display:
Fixed Value: Displays an error bar of the same absolute value for every data point.
Specify a value in the adjacent field.
Percentage: Displays error bars based on a fixed percentage of each data point value.
Specify a percentage in the adjacent field.
Standard Deviation: Displays error bars based on the standard deviation of your data
set. Specify the number of standard deviations in the adjacent field.
Standard Error: Displays standard error bars.