Chart updates

kiltubber

New Member
Joined
Aug 30, 2002
Messages
4
Hi, I have a file that I use to chart some data. I update the data every week with new data from the previous week. I have the date, (ie each day) in the first colum and the next few colums contain the data for that day. When I update the data, I have to go to each chart and update the source data so that the chart will show the new data. I would like to automate this process using a little macro. One idea I had was to update a cell each time the data is added, with the row number that the data list extends to. The macro could use this to create a new source data address so that the chart could be updated. So the question is how do I create this: ActiveChart.SeriesCollection(1).Values = "='Historical Data'!R7C5:R140C5" using a macro. Thanks John. :)
 

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What is =ROMAN(40) in Excel?
The Roman numeral for 40 is XL. Bill "MrExcel" Jelen's 40th book was called MrExcel XL.

Swamp Thing

Active Member
Joined
Aug 16, 2002
Messages
313
You can set the chart's source data to refer to named ranges. For example, set the x and y sources of the chart to the names CurrentCategories and CurrentValues. Whenever you add new data, you can re-define these ranges.

The next level of automation is to define these ranges "dynamically" using formulas. Then by changing a single cell you can have all the charts pointing to the new data.
(NO Macros!)
For details, search the forum for dynamic ranges and dynamic charts; also check out http://www.tushar-mehta.com
 

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