[AccessD] calculation

Hello Dan, and others.

i haven't got an query equation jet,
i can't seem to manage the group by calculation.

How i get 25%

Patient AA has 4  test (ID 1 to 4)
One of these has Value B=3.

calculation: 1 : 4 = 0,25    x 100% = 25%

Pedro



----- Original Message ----- 
From: "Dan Waters" <dwaters at usinternet.com>
To: "'Access Developers discussion and problem solving'" 
<accessd at databaseadvisors.com>
Sent: Monday, July 13, 2009 4:19 PM
Subject: Re: [AccessD] calculation


> Pedro,
>
> Can you post your equation?  I can't see how to get 25%.
>
> Also - what is B3?
>
> Dan
>
> -----Original Message-----
> From: accessd-bounces at databaseadvisors.com
> [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of pedro at plex.nl
> Sent: Monday, July 13, 2009 3:55 PM
> To: accessd at databaseadvisors.com
> Subject: [AccessD] calculation
>
> Hello Group,
>
> i need to calculate the percentage(%) of the value B3 in access for the
> total of numbers of B.
>
> The table that is have:
>
> ID    patient    B
> 1     AA         1
> 2     AA         1
> 3     AA         2
> 4     AA         3
> 5     BB         1
>
>
> Query:
>
> patient    B(%)
> AA         25
>
> How can i do this?
>
> Thanks
>
> Pedro
>
>
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