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justvince
Level III

Summary and Sorting - Sorting not working

I have a data table where I am wanting to calculate mean, and have the output sorted (Descending) from a grouped column.  

 

As an example

I.e., Data table

justvince_0-1641851082378.png

 

If I summarize as follows:

Data Table( "Example_DT" ) << Summary(
Group( :i, :f, :g, :h ),
Order( Descending, Descending, Descending, Descending ),
Mean( :Values ),
Freq( "None" ),
Weight( "None" )
);

i.e., Selecting Descending

justvince_3-1641852202649.png

 

 

 

Output is incorrect:  Shouldn't Column "i" start with 4 and descend down to 1?  (This is the problem I am having with my large data table)

justvince_1-1641851257020.png

 

If I try to sort by saying I want column i in ascending order it produces the same table

 

Data Table( "Example_DT" ) << Summary(
Group( :i, :f, :g, :h ),
Order( Ascending, Ascending, Ascending, Ascending ),
Mean( :Values ),
Freq( "None" ),
Weight( "None" )
);

justvince_2-1641851482920.png

 

I am using JMP 16.2.0

 

4 REPLIES 4
txnelson
Super User

Re: Summary and Sorting - Sorting not working

You have intermixed the control statements for Summary and Sorting platforms.  They need to be separate steps.  Here is the way I handle what you want

Names Default To Here( 1 );
dt = Current Data Table();

Data Table( "Example_DT" ) << Summary(
	Group( :i, :f, :g, :h ), 
	Mean( :Values ),
	Freq( "None" ),
	Weight( "None" )
);

Data Table( "Example_DT By (i, f, g, h)" ) << sort(
	Replace Table( 1 ),
	By( :i, :f, :g, :h ),
	Order( Descending, Descending, Descending, Descending )
);
Jim
justvince
Level III

Re: Summary and Sorting - Sorting not working

Well... it was not I who intermixed the control statements.   

The user interface for creating a summary table has the options built in for the groups to be able to sort (Ascending/Descending). 

The summarized data table "source" script has the script that I copied above including the Order.   

I believe this may have worked in past JMP versions, because I am just now finding out this is not working... (I could be wrong, but don't think so).  

 

justvince_0-1641857645874.png

 

 

txnelson
Super User

Re: Summary and Sorting - Sorting not working

I was not aware of the options, but as you found, they do not appear to work.  I would submit the issue to 

     support@jmp.com

Jim
justvince
Level III

Re: Summary and Sorting - Sorting not working

Thanks! JMP is now aware of the bug.