3d scatter diagram

cheveley

Active Member
Joined
Sep 24, 2002
Messages
273
i have been keen to create excel 3d scatter diagrams for some time but have not found this feature available.

recently i discovered unistat have an excel add in ($300) that will do this but i am interested in a free add-in that would also do this?

any suggestions would be most appreciated.
 

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cheveley

Active Member
Joined
Sep 24, 2002
Messages
273
thanks for the reply. his solution is a little over my head, but i think it would suffer from having two axis rather than the three i require.
 

GlennUK

Well-known Member
Joined
Jul 8, 2002
Messages
11,547

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It has X Y and Z. I don't understand what you mean by saying it has two axes?
 

cheveley

Active Member
Joined
Sep 24, 2002
Messages
273
in his xyz chart, x represents the label therefore there are only actual 2 data series. i would like 3 data series.
 

GlennUK

Well-known Member
Joined
Jul 8, 2002
Messages
11,547

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No, that's not the case. There are series for X-coord, Y-coord, and Z-coord ... still don't know what you are talking about?
 

Jon Peltier

MrExcel MVP
Joined
May 14, 2003
Messages
4,968
Office Version
  1. 365
Platform
  1. Windows
  2. MacOS
We should clarify terms. I know it's common practice to call a set of values, such as X values or Y values a "series", but this gets confusing when also talking of a chart "series".

A chart series is a set of points in a chart. It consists of {X values or category labels (depending on chart type)} and Y values.

The list of data sometimes called a series might be better termed values or coordinates, as in "X values" or "Y coordinates".

Thus a chart has a particular number of series, each comprised of its own X values and Y values. This avoids talk of plotting "one series on the X axis and another series on the Y axis", because you are plotting a chart series with the X values on the X axis and the Y values on the Y axis.

Andy's solution takes X, Y, and Z values for a set of points, uses trig to convert these into X'-Y' coordinates, and creates a chart series from these calculated coordinates.
 

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