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Level VI

Process Screening Single Grouping Item

Based on this question, I was able to get a script to create a yield table.

 

Solved: Process Screening By Groups - JMP User Community

 

One flaw in this approach is that any grouping item that has only 1 value is absent from the finished table.  For example, if the data has multiple wafers from only one lot, the wafer numbers report but the lot does not.

 

SpannerHead_0-1749756569499.png

 


Slán



SpannerHead
1 ACCEPTED SOLUTION

Accepted Solutions
SpannerHead
Level VI

Re: Process Screening Single Grouping Item

By the way, I get around this presently by adding a bogus value, doing the process screening and then removing the bogus value afterwards.

 

dt << Add Rows( 1 );
rowz = N Rows( dt );
:LOT[rowz] = 1;
ps = dt << Process Screening(
	Process Variables( Eval( SpecCols ) ),
	Grouping( :WAFER, :LOT ),
	Control Chart Type( "Indiv and MR" ),
	Within Sigma( 0 ),
	Overall Sigma( 0 ),
	Stability Index( 0 ),
	Mean( 0 ),
	Show Tests( 0 ),
	Test 1( 0 ),
	Out of Spec Rate( 0 ),
	Latest Out of Spec( 0 ),
	Cpk( 0 ),
	Ppk( 0 )
);
dt_result = Report( ps )[Outline Box( "Process Screening" ), Table Box( 1 )] <<
Make Into Data Table;
ps << close window;
dt << Delete Rows( rowz );

 


Slán



SpannerHead

View solution in original post

1 REPLY 1
SpannerHead
Level VI

Re: Process Screening Single Grouping Item

By the way, I get around this presently by adding a bogus value, doing the process screening and then removing the bogus value afterwards.

 

dt << Add Rows( 1 );
rowz = N Rows( dt );
:LOT[rowz] = 1;
ps = dt << Process Screening(
	Process Variables( Eval( SpecCols ) ),
	Grouping( :WAFER, :LOT ),
	Control Chart Type( "Indiv and MR" ),
	Within Sigma( 0 ),
	Overall Sigma( 0 ),
	Stability Index( 0 ),
	Mean( 0 ),
	Show Tests( 0 ),
	Test 1( 0 ),
	Out of Spec Rate( 0 ),
	Latest Out of Spec( 0 ),
	Cpk( 0 ),
	Ppk( 0 )
);
dt_result = Report( ps )[Outline Box( "Process Screening" ), Table Box( 1 )] <<
Make Into Data Table;
ps << close window;
dt << Delete Rows( rowz );

 


Slán



SpannerHead

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