New Calculated field question. Complicated I think.

Question

I have managed to create this table from a MySQL database: http://ppbm5.com/DB-PPBM5.php
The field 'Total' is a calculated field using this SQL query:
$query_Recordset1  = 'SELECT *, `Disk I/O`+`MPEG2-DVD`+`H264-BR`+IFNULL(`MPE On`,`MPE  Off`) As Total, `CPU`*`Cores` As Phys_Cores FROM `Personal_data` WHERE 1  ORDER BY (`Disk I/O`+`MPEG2-DVD`+`H264-BR`+IFNULL(`MPE On`,`MPE Off`)),  `Date & Time` ASC';
So far, so good, but as you may have  noticed, there is a next field called 'Rel. Perf.' which only contains  blanks. And that is where my problems start.
The table is sorted by 'Total' and the first record shows these figures and field names that are relevant for my question:
Fields: 'Total'  'Disk I/O'  'MPEG2-DVD'   'H.264-BR'   'MPE On'   'MPE Off'
Values:  131,        67,              21,                  37,              6,              64
In addition, I use four 'weight' figures, let's say these are 0.27 , 0.30 ,  0.20 and 0.23 denoted as W1, W2, W3, W4.
First step is to calculate four temp values, using a formula like this resulting in T1, T2, T3 and T4:
T1 = W1 x  Total /Disk I/O; T2 =  W2 x Total/MPEG2-DVD ; T3 = W3 x Total/H.264-BR ; T4 = W4 x Total/(IFNULL(MPE On, MPE Off)
Note that this only applies to the top record and here the SUM(T1, T2, T3, T4) results in 131, equal to the Total.
The result of 100 x SUM(T1, T2, T3, T4)/ Total = 100 should be the 'Rel.Perf.' result for the top record.
Now  is gets difficult. Let me call the records R1, R2, R3, ..., Rx. Now, in  the previous step we have established that the figure 100 should into  R1.
For R2 the result of the 'Rel.Perf.' is 100 x SUM(T1 x Disk  I/O(2), T2 x MPEG2-DVD(2), T3 x (H.264-BR(2), T4 x (IFNULL(MPE on, MPE  Off)))/ Total(2)
For R3 the result of the 'Rel.Perf.' is 100 x  SUM(T1 x Disk I/O(3), T2 x MPEG2-DVD(3), T3 x (H.264-BR(3), T4 x  (IFNULL(MPE on, MPE Off)))/ Total(3)
etcetera for all the rest of the records in the table.
A  complicating factor is that the reference point of the top machine  should remain fixed at 100, but when doing queries, the top machine may  not be in the query results, but all the query results for the Rel.Perf.  should be derived from these scores. Life would be infinitely easier if  one would be certain that the top machine is fixed, but that is not the  case.
Sorry to make this such a long and complicated post, but  for those who have struggled through this long message, if you have any  suggestions on how to make this work, I would appreciate it.
Thanks in advance.
Harm, while non is intended.
PS. I have been trying to generate a SQL query, using the following code:
$query_Recordset1 = 'SELECT *, FORMAT(`Disk I/O`+`MPEG2-DVD`+`H264-BR`+IFNULL(`MPE On`,`MPE Off`),0) As Total, FORMAT((54.661*`Disk I/O`+161.25*`MPEG2-DVD`+71.66666*`H264-BR`+645*IFNULL(`MPE On`,`MPE Off`))/129,1) As RPI,`CPU`*`Cores` As Phys_Cores FROM `Personal_data` WHERE 1 ORDER BY 54.661*`Disk I/O`+161.25*`MPEG2-DVD`+71.66666*`H264-BR`+645*IFNULL(`MPE On`,`MPE Off`), `Disk I/O`+`MPEG2-DVD`+`H264-BR`+IFNULL(`MPE On`,`MPE Off`) ASC';
For static work it is OK, but not when a new top performer submits his data.

Answer 1

Hi William,
Per my understanding that you want to count the number of the value in the field wait which is smaller then 15, right?
I have tested on my local environment and that you can add the calculated field (Count) using the expression as below:
=IIF(Fields!wait.Value<15,1,0)
Insert an outside group row and then get the total count by using below expression:
=SUM(Fields!Count.Value)
Preview you will get the result like below:
If your problem stil exists, please try to provide some sample data and the exprect count result you want.
Any problem, please feel free to ask.
Regards
Vicky Liu
Vicky Liu
TechNet Community Support