Excel chart smoothing

Hello world

I'm looking to import data from several Excel (20 separate files) files and LabVIEW give me a ground smooth for each set of points. Then, I need LabVIEW to give me the cooridnates of the crest of each of these plots, smoothed and if possible to draw the vertices in a graph, with the number of the file on the x axis and the axis value y of the peak on the axis y. If it is not possbile I'd be more than happy just having a VI that gives me a data field smoothed with a value for the maximum, but as I have very limited knowledge of LabVIEW outside the realm of the simple reading of DAQ I'm pretty clueless here

Thanks in advance for any help,

Ben

Ben,

I have attached a VI that will show you how to use the spline to generate a good fit to your data. It will also calculate the peak of the spline using two methods and allows you to copy the resulting data of the Groove to the Clipboard to paste into excel.  You still need to deal with the question of the collection of your data - these types of data analysis / workflow things are always a bit difficult to work through.  You can copy your data in 2 columns in an excel workbook and paste it into the channel on the block diagram constant to analyze another curve.  Take a look at the attached vi and see if it makes you in the right direction.

-cb

Tags: NI Software

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