[mso] Re: want to select dates

Dear all

Sorry my post was not clear, I have now managed to solve the problem but
will clarify the original request

Col 1 =3D dates ranging from january1 to dec 31=20
Col 2 =3D 1  next t0 date if  a person attended a meeting
Col2  =3D 1 if a meeting took place on that date

What I want to do was to calculate a percentage of meetings attended , a
complication being that not everyone started on kan 1st , some started
for example on march 1st , so to overcome this problem (i.e. did not
want to count any meeting January / February in the denominator) needed
to select a date range

My solution was
=3D(SUMIF($B5:$B32,"<=3D"&DATE(2007,12,31),Q5:Q32)-SUMIF($B5:$B32,"<"&DAT=
E(2
007,3,31),Q5:Q32))/(SUMIF($B5:$B32,"<=3D"&DATE(2007,12,31),D5:D32)-SUMIF(=
$
B5:$B32,"<"&DATE(2007,3,31),D5:D32))*100

Bit unwieldy but works,=20

If anyone has a neater solution would be interested

Ann


Ann E Fitzmaurice
Email: a.e.fitzmaurice@xxxxxxxxxx
=20
-----Original Message-----
From: mso-bounce@xxxxxxxxxxxxx [mailto:mso-bounce@xxxxxxxxxxxxx] On
Behalf Of David Smart
Sent: 26 March 2008 14:36
To: mso@xxxxxxxxxxxxx
Subject: [mso] Re: want to select dates

Ann

Please give a more precise indication of what's where.  For instance,
you=20
say there's a column (singular) with dates, but then you talk about date
1=20
and date 2.

Give specific column and row ranges for each of the things you want to
check=20
and each of the things you want to sum or manipulate.

However, if you are talking about a range summation with more than one
test,=20
then SumProduct is perhaps the best way to go.

Regards, Dave S

----- Original Message -----=20
From: "Fitzmaurice, Ann E." <a.e.fitzmaurice@xxxxxxxxxx>
To: <mso@xxxxxxxxxxxxx>
Sent: Wednesday, March 26, 2008 8:22 PM
Subject: [mso] want to select dates


> Hi using excel 2003
>
>
> Have a column with dates , and two additional columns with a 1 next to
> date if in attendance
>
>
>
> Max no of attendances are recorded in a different column
>
>
>
> What I want to do is write a formula like
>
>
>
> If (date 1 >=3D 01/12/2007 and date 2 <=3D 03/04-2008, sum (column th
> attendances in) / max no of attendances expressed as a percentage
>
>
>
> Not sure how to do the if statement
>
>
>
> ann
>
>
>
> Ann E Fitzmaurice
>
> Medical Statistician
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SC013683.
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MicrosoftOffice@xxxxxxxxxxxxxxxx

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To be able to share files with the group, you must join our Yahoo sister group. 
 This group will not allow for posting of emails, but will allow you to join 
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SHARING ONLY.

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