Formula To Count Number Of Patients Per Time Interval Over 24 Hours+

Jan 23, 2014

I have been trying to work out a formula for capturing the number of patients in the hospital at half hour time intervals. There are a lot of formulas for capturing this information within a 24 hour period however not a lot of information when the Length of Stay or episode time is +24 hours.

As you can see in my example spreadsheet below, some of the patients stay for 244 hours (row 9).

The outcome that I am looking for is that a 1 is placed in all of the time slots when the patient is there. For example if they arrive on Jan 1st at 2.15 and leave on Jan 3rd at 10.30 all of the time slots in between would have a 1 placed in them.

I have been playing around a lot and think it is probably only possible if you set it up as I have in the example i.e. by having the date running down and the time running across.

How this could work? I have tried SUMIFs and SUMPRODUCT formulas which generally work for Jan 1st but then go wrong for any date after that.

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Apr 28, 2014

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I attached a pic illustrating what i want to accomplish.

QQ截图20140429104406.png

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and a start time of 10:00 and a finish time of 18:00 would show 4hrs in first interval and 6 in second and 0 in last

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For example
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My Worksheet looks as such: Column A contains the dates for the month of November, Column B contains times that random instances occur, Column C is not important, Column E contains a Letter A-N that pertains to what occurred at a time in column B. SO, Column B and column E coordinate with each other.

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Nov 18, 2008

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for example 01/01/2008 - 05/01/2008, 07:30:00 - 10:00:00

What i need is to be able to count the number of times the full time period i am interested (07:30:00 - 10:00:00) in falls in between the thousands of start and end timestamps i have. The time periods must also fall within the date range specifed.

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and if my timestamps were:
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C1 8:00
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17:08:20
19:21:51
15:29:01
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3: 7:00 - 7:30
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I can get the time interval to work by itself, and the save csv part to work by itself also; I need them to work together.

VB:
Sub test()
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[Code].....

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I am having trouble getting a VBA code to do the following:

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2012/05/01 00:03:00
2012/05/01 00:06:00
2012/05/01 00:15:00
2012/05/01 00:18:00

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2012/05/01 00:00:00
2012/05/01 00:03:00
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2012/05/01 00:09:00
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Code:
Sub Insert_missing_3min()
'Inserts a row with the date and time where the missing date and time stamp is and a zero next to the date added.

Dim min3 As Date
Dim CurTime As Date
Dim CurCell As Date
Dim NextCell As Date

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Below is an example from the date/time coloumn:

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12-03-28 11:57
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12-05-07 13:41
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12-05-28 12:00
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12-06-11 08:31
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