Apple Pages Guia do Utilizador descarregar pdf (Página 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 eld. Â

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 Specic 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 dierent 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 eld.

Percentage: Displays error bars based on a xed percentage of each data point value.

Specify a percentage in the adjacent eld.

Standard Deviation: Displays error bars based on the standard deviation of your data

set. Specify the number of standard deviations in the adjacent eld.

Standard Error: Displays standard error bars.

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