How tom take an average of file when i have three different values

Question

Dear all,
I have a file with five column,                                                              
A    B                      C    D    E               
2    1.23375E+17    30    31    2              
2    2.04196E+17    0      32    2               
2    2.31994E+17    0      33    2               
2    2.01626E+17    30    33    2       
2    1.79445E+17    0      34    2          
I want to take an average of  B for D= 0 to 15,,, 16 to 30, ,, 31 to 45, 46 to 59,, anf E= 0 ,2,3,4,5,........ 23,
for A = 2, 3, 4, 5, ......32..
here is programme and file.
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Attachments:
iisc0040-1014.txt ‏1489 KB
average15mins.vi ‏11 KB

Answer 1

I aapreciate with you sir,
 acually my problem is differenet, i repeat it belowe.
A    B                      C    D    E               
2    1.23375E+17    30    0    0              
2    2.04196E+17    0      1    0              
2    2.31994E+17    0      2    0              
2    2.01626E+17    30    3    0      
2    1.79445E+17    0      4    0        
1-Column A having the value of no of system which start from 2 to 32,,
2- colum D having the minutes which is start from 0 to 59.
3- colum E is hour Which varies from 0 to 23.
now i want to keep system (Column A) constant at 2 and for 0 hour ( Column E).. and want to take the average of Values (Column B). For 0 to 15 , 16to 30 , 31 to 45, 46 to 59 ,,,minute (column C).
Means I will have 4 value for each hour,
means i want to put first lup where Column A is constant for 2, at the same time second lup inside the first lup Having the constant value of Column 2.  and at third lup  take the avergae of value B for each 0 to 15, 16 to 30, 31 to 45, 46 to 59,..
hope you will help me regarding this,