?
Solved

Writing a Crystal Reports expression to get a median of Scores average

Posted on 2008-10-21
5
Medium Priority
?
791 Views
Last Modified: 2013-11-15
I have the following data in a SQL Table (attached sample excel file)

This data shows the number of surveys done on each person in that list and what their score was for each and every survey. Some have more surveys than others

I want to be able to write an expression in Crystal Reports calculation that shows the average MEDIAN (%age) of ALL the survey scores, and based off of that, which of the people in that list are the top 20%, and which are the bottom 20%.

Would this have to be done in two parts? I am a NEW Crystal user. Can you guys write the expression out for me?

Thanks.
sample-data.xls
0
Comment
Question by:super786
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
5 Comments
 
LVL 101

Accepted Solution

by:
mlmcc earned 2000 total points
ID: 22771696
The median should simply be a simple summary of the score field.

Can a person appear in both top 20% and bottom 20%
If so simply sort the records by the score and use suppression to hide the not desired records.

Suppression formula would be

RecordNumber > 0.2 * Count({SomeField}) AND RecordNumber < 0.8 * Count({SomeField})

mlmcc
0
 
LVL 1

Author Comment

by:super786
ID: 22771731
How would I calculate the summary of the score field in crystal expression form?
0
 
LVL 101

Expert Comment

by:mlmcc
ID: 22773415
The easy way is to put the score field on the report in the detail section
Right click the field
Click INSERT --> SUMMARY
Choose the summary you want

mlmcc
0

Featured Post

New feature and membership benefit!

New feature! Upgrade and increase expert visibility of your issues with Priority Questions.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

I have helped a lot of people on EE with their coding sources and have enjoyed near about every minute of it. Sometimes it can get a little tedious but it is always a challenge and the one thing that I always say is:   The Exchange of informatio…
From implementing a password expiration date, to datatype conversions and file export options, these are some useful settings I've found in Jasper Server.
Michael from AdRem Software explains how to view the most utilized and worst performing nodes in your network, by accessing the Top Charts view in NetCrunch network monitor (https://www.adremsoft.com/). Top Charts is a view in which you can set seve…
Sometimes it takes a new vantage point, apart from our everyday security practices, to truly see our Active Directory (AD) vulnerabilities. We get used to implementing the same techniques and checking the same areas for a breach. This pattern can re…
Suggested Courses

765 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question