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  Wednesday, December 30, 2009 – Permalink –

Chart Null Data Gaps

Fill in the spaces



When creating a chart, data can sometimes be missing. You have a choice of leaving the cells empty or making them zero.

By default, an empty cell will leave gaps in your graph. Zero entries will send a line graph down to the base line.

One way to force Excel to interpolate the data is to enter the function =NA() in the empty cells.

Another way is to go to Tools>Options and choose the Chart tab.

Pick how you want data plotted - with gaps, as zero, or interpolated.






Microsoft also has this suggestion:

Gaps between the dates
"If the datasheet data for the category axis contains date number formatting, Microsoft Graph automatically uses a special type of axis in your chart called a time-scale axis.
A time-scale axis shows a blank category for dates for which you have no data. If you do not want to see these gaps — for example, if you have data for 1-Jan, 15-Jan, 3-Feb, 12-Feb, and 2-Mar, and you want to plot the days next to each other - you can change the time-scale axis to a standard category axis.
On the Chart menu, click Chart Options, click the Axes tab, and then click Category under Category (X) axis."

Note, For 2007+, on the Design tab, click Select Data in the Data area, and then click Hidden and Empty Cells on the Select Data dialog box.


[Edited entry from 12/30/2006}




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<Doug Klippert@ 3:14 AM

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