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12-05-2016 03:37 AM

Dear Sas Community:

I am trying to calculate a a weighted Average Interest Rate for a company that may have several subsidiaries that borrow at different interest rates.

I have the following table:

CompanyNum | SubsidiaryNum | Amount | Rate |

1 | 23 | 45000000 | 355 |

1 | 24 | 35000000 | 405 |

I want the following table:

CompanyNum | Total Amount | Weighted Average Rate |

1 | 80000000 | 376.875 |

How can I do that using SAS Proc SQL. Any suggestions. Basically I would like to have my analysis at the company level.

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12-05-2016 04:21 AM

data watch;

input CompanyNum SubsidiaryNum Amount Rate;

datalines;

1 23 45000000 355

1 24 35000000 405

;

run;

proc sql;

select

CompanyNum,

sum(Amount) as Total_Amount,

sum(Amount*Rate)/sum(Amount) as wRate

from watch

group by CompanyNum;

quit;

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12-05-2016 06:39 AM - edited 12-05-2016 06:43 AM

Why not use the procedure that SAS intended for this purpose? It would be easy to expand the number of vars, or request other statistics (std, var, min, max, median, various percentiles etc.)

**proc** **summary** data=have noprint nway ;

class companynum;

var rate;

weight amount;

output out=want (drop=_type_ _freq_) sumwgt(rate)=total_amount mean(rate)=wrate ;

**run**;