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can you have SQL calculate the numbers?<br />
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Is there a weighedaverage function in SQL? &nbsp;What I'm asking is how to calculate it because I can't match my result with the original report's result.
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Check this link:<br />
<a href="http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=42181" rel="ugc">http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=42181</a>&nbsp;<br />

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I am redoing an old report designed in Crystal with Reporting Services. &nbsp;I am trying to calculate the weighted average but just can't get to the same result as the crystal report. &nbsp;For each quarter in our fiscal year, the report shows how many people each recruiter hired, how many quit, how many worked less than 60 days and the turnover.<br />
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The formula used in Crystal to calculate the weighed average of a quarter is as follows: <br />
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WeightedAverage ({Avg_Turnover_by_Years.Tu<wbr />rnover}, {@Delta}, {Avg_Turnover_by_Years.Qua<wbr />rterNo})<br />
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Ex.: Quarter 4; Turnover=118.51%;@Delta=75<wbr />; WeightedAverage=3.16%<br />
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What other information do I need? I guess I'm not too clear on the concept.
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I am redoing an old report designed in Crystal with Reporting Services.  I am trying to calculate the weighted average but just can't get to the same result as the crystal report.  For each quarter in our fiscal year, the report shows how many people each recruiter hired, how many quit, how many worked less than 60 days and the turnover.

The formula used in Crystal to calculate the weighed average of a quarter is as follows: 

WeightedAverage ({Avg_Turnover_by_Years.Turnover}, {@Delta}, {Avg_Turnover_by_Years.QuarterNo})

Ex.: Quarter 4; Turnover=118.51%;@Delta=75; WeightedAverage=3.16%

What other information do I need? I guess I'm not too clear on the concept.

How to calculate Weighted Average with Reporting Services?

A database report is the formatted result of database queries and contains useful data for decision-making and analysis. Most good business applications contain a built-in reporting tool; this is simply a front-end interface that calls or runs back-end database queries that are formatted for easy application usage.

DB Reporting Tools

Microsoft SQL Server 2005 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. It includes support for managing XML data and allows a database server to be exposed over web services using Tabular Data Stream (TDS) packets encapsulated within SOAP (protocol) requests.

Microsoft SQL Server 2005

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.