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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