Conversion from dynamic to double bit data

This might be very simple but I've got confused. I have current data and average data as in code. I want to build array using this data, save it on my hard-disk and open in word with headers(current and average)
Problems:
I input data from both sources into build array as shown, and wire output of build array to write to spreadsheet vi. I get error source is dynamic and sink is double bit. This is the hardest part of my life to figure out which conversion pallete to use.
When I run the vi (lets assume correct conversion pallete is wired and there's no conversion error,) dialog box pops up for file path which keeps coming on
Ideally I would like it to pop up on screen when I press run so that I may browse location to save file and once path is specified vi runs continuously and data is written on spreadsheet while vi is running.
Many thanks for reading and help
Cheers
Solved!
Go to Solution.
Attachments:
creating 2d array and saving data in spreadsheet.vi ‏109 KB

Last time I didn't even try to think about what you were doing. Now that I look at it I am once again reminded why I don't use express VIs and dynamic data types, but I digress. I am now guessing that you would like to average a signal and have two curves, the current set and a weighted average.
There may or may not be a way to do this with Express VIs and Dynamic Data types. To be honest, if there is I wouldn't use it. What I would do as a start is immediately following each Express VI insert a Dynamic Data to DBL conversion and then Index Array to get the first row. Now you are working with 1D arrays.
Attachments:
creating 2d array and saving data in spreadsheet_MOD2.vi ‏149 KB

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