Breaking Time Into Intervals And Performing A Count

Nov 20, 2006

Office 2003 with Windows XP

This is my first post so i may not have done everything correctly. I tried doing google searches to see if anyone else has done something similar but its a tricky thing to search for. I have found pages dealing with manipulating time but none seem to be what I want

I have an Excel sheet with data

C1-h1 all contain data (name, location, etc, etc) but I am not interested in those.

A1 (the date cell) is formatted like: m/d/yyyy" "h:mm:ss AM/PM


a2 = 8/1/2006 12:20:23 AM b2 = phone
a3 = 8/1/2006 12:21:13 AM b3 = email
a4 = 8/1/2006 12:33:03 AM b4 = phone

This is what I am trying to accomplish:
I want to break each hour, whether it contains data or not and get a count of the different types of source

my desired output would be:

time Phone email
to 2 3

My problem occurs because I am unsure how to break the times down into intervals. In my head, I would create a new column and try to break the time up into an interval. So for a2 (8/1/2006 12:20:23 AM), I think I would need to break the date and time up and then determine which interval would be needed based on the time.

I was going to perform the following:
=text(a2, "h" + if("mm:ss">30, 30,00)

Basically, pull the hour from a2 and evaluate the mins/secs.

If the min/sec is bigger than 30, put a 30 in the box. Less than 30, put double zero in the box. So for 8/1/2006 12:20:23 AM, b2 would have 12:00 since it falls in the 12 to 12:30 interval.

Once I have all the intervals, I would also need to preform a count on the source cell but I think I can use a vlookup to get the count for the interval.

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I require a Formula to calculate the INTERVALS (the number of Rows between
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For instance, each time 80 and 87 appear together in the same Row, return the
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The results are returned to a chart / matrix layout: I have the criterion
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vertical cell address that houses each criterion, and the results are
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Example Chart / Matrix Layout:
Cell Ref. A2 and B1 criterion 80 and 80
Cell Ref. A3 and B1 criterion 81 and 80
Cell Ref. A4 and B1 criterion 82 and 80

Criteria B1 houses 80
A2 houses 80
A3 houses 81
A4 houses 82
A5 houses 83

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