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I have the following data:

Date      Name            Value

1/1/2011  FOO             10
1/1/2011  BAR             12
2/1/2011  FOO             16
3/1/2011  BAR             21
5/1/2011  FOO             19
4/1/2011  BAR             23

Note that 'Dates' are not ordered. Note also that I have two different values in 'Name'.

I would like a chart like a XY (scatter) chart that shows 2 lines, one for FOO, one for BAR.

The chart must have a X-axis representing dates (correctly spaced relatively to each other value)

The chart must have a Y-axis representing values (correctly spaced relatively to each other value)

Maybe a line chart would do the trick? Please, if possible, avoid any new computation of values, or restructuring the table data. It seems easy for a tool like Excel to create such a chart without helping it by predoing some work on the data...

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I've written a tutorial showing how to split the data into series based on a category column in VBA to Split Data Range into Multiple Chart Series. You need to sort by the category column first. – Jon Peltier Jul 29 '15 at 23:23
up vote 1 down vote accepted

Please, if possible, avoid any new computation of values, or restructuring the table data

Placing such a constraint on the solution will likely only make the solution more complex, if its possible at all.

For what its worth, I would add two additional columns and chart those as a scatter chart:

       A           B       C       D                       E
1      Date        Name    Value   FOO                     BAR
2
3      1/1/2011    FOO     10      =IF($B3=D$1,$C3,NA())   =IF($B3=E$1,$C3,NA())
4      1/1/2011    BAR     12      =IF($B4=D$1,$C4,NA())   =IF($B4=E$1,$C4,NA())

etc

PS please include version of Excel in your question (as a tag) as it can affect the answer

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Thanks for this answer. But what if I don't know in advance the different Names (FOO, BAR) ? Maybe I need some VBA code to create those additional columns... – TheExcelNoob Sep 7 '11 at 10:01
    
VBA would probably be the way to go if the number of columns can vary. If its fixed at two, then formulas can be used to get those two values – chris neilsen Sep 7 '11 at 10:26
    
If you don't know FOO, BAR etc in advance make a pivot table with dates and name as axes – Mark Sep 7 '11 at 11:59

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