Create a data point series

[Joseph]

How do I create a data series of every third (3rd) data point in a long string?

 

[Jon Peltier]

Is this what you want?

Decimating the Data (Plotting Every Nth Point)
http://pubs.logicalexpressions.com/Pub0009/LPMArticle.asp?ID=209#jon024

If you just want the sparse array of points, you can skip the line series
and use the formulas which put #N/A is all but the Nth cells, or use other
formulas which pull the data from every Nth cell into an adjacent column.

- Jon