Allow viewing statistics of a highlighted (flagged) section of data in VIEW mode without doing analysis step

[Bikinpro]

While looking at data I will often want to know the mean average of a section of data (max and min are also nice to see).  It would be fantastic if in VIEW mode, you could highlight a section of data (by flagging it) and see in some area of VIEW (like the "Common Properties" section or maybe even a pop-up) statistics of the selected data without having to copy the flagged data and do an analysis of it. This function would go really nice in the drop-down area where you can choose to copy, move or interpolate the flagged data points.

[AndreasH_Ha]

Hello Bikinpro,

would it be an option to calculate the statistic data you are interested each time you change the cursor position ? Could you use the band-cursor to define the area you are interested in ? And each time you change the band, the statistics for that area are calculated and displayed ? How much data per signal do you expect ?

Andreas

[Bikinpro]

Actually using the band-cursor to define the area for the statistics would work very well although I wouldn't want the statistics process to slow down scrolling with the band-cursor.  The amount of data depends on what I am looking at. Most of the time I am interested in an average pressure or power used doing a certain event that may be 10 minutes long while logging anywhere from 10hz to 500hz.

[MainDish]

Would this become too complex if statistics for multiple signals were displayed? I'd like to simultaneously view Min/Max/Mean within a given band selection for several signals.

[Bikinpro]

I would hope that the solution would allow for viewing statistics for multiple signals at the same time.

[Brad_Turpin]

Hi Guys,

I have an application I wrote that sounds like it does what you're asking for.  Email me at brad.turpin@ni.com and I'll email it back to you.  I don't see any way to post and attachment here...

Brad Turpin

DIAdem Product Support Engineer

National Instruments

[Bikinpro]

Thanks for the script Brad, it works well.  It would be nice if the statistics section the script creates could be a standard part of the VIEW interface.  A couple issues that a standard interface would help:

1. If I am looking at a set of data and want to look at the statistics, I need to run the script which wipes out other views that I created (I commented out the part that deletes the data out of the portal).


2. If there are more than 3 channels I want to look at I only get statistics for the top 3 channels. I have to go in and re-order the channels so the new channels are in the top 3.

Overall though it seems like this should work for a majority of what I need it for.  I do like how the section goes with the graphs when creating a report.  Thank you for sending this.

[Walter_Rick]

Thank you for your request.

We implemented an example for such calculations. Please have a look at the following example:

 "Extending Functionalities with Scripts" -> "Dynamic Display of Statistical Characteristic Values in DIAdem VIEW"

Greetings

Walter