At 17:29 08/09/2014 -0700, Nobody Noname wrote:
The data acquisition device samples at "approximately 1 sample per second" not a nice fixed sample rate.
That's odd, as your example had them over six minutes apart.
If the sample values are in column A1, ...
Hold on: A1 is a cell, not a column. Columns are lettered A, B, and so on. You are using a spreadsheet document, not a table in a text document, aren't you? Spreadsheets give you more flexible calculation facilities.
then I'd like an "approximate" time-line in the cells between the start logging and stop logging times ...
That was clear in your earlier message.
... in column B2.
B2 is a cell; B is a column. Your time values are in column B - with the six values being in cells B1 to B6 (and the data in A1 to A6).
What I'm after is to look at my notes taken at different times (the time noted) during logging, and identify the approximate sample that corresponds to them.
Good.
I'm afraid I don't understand your example as it looks like you have the samples in a row not a column.
That's not so, and I don't see how it looks so (providing you are using a spreadsheet). I put the values you offered into the top left corner of a spreadsheet, so your data was in A1 to A6 and the two time values in B1 and B6. I gave you a formula for B2 that would fill down to B5 to give the results you need.
Brian Barker
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