How to change 'µ0' to 'mean' on a control chart?

jan_solo

Hi,

When I run a control chart, the average is expressed as 'µ0'.  This is not incorrect, however, our quality department would like to see 'Mean' instead.  Is there a way to change the label from 'µ0' to 'Mean'?

Thanx

Names Default To Here( 1 );

dt = Open( "$SAMPLE_DATA/Quality Control/Coating.jmp" );

obj = Control Chart( Sample Size( :Sample ), Chart Col( :Weight, XBar, R ), Get Limits( "$SAMPLE_DATA/Quality Control/CoatingLimits.jmp" ) );

Jeff_Perkinson

Unfortunately, there's no good way to override that labeling. That's what we use to indicate the limits are specified rather computed.

The Control Chart Builder platform handles this a bit differently. It provides a Limits Summaries report instead of labeling the limits lines.

Names Default To Here( 1 );
dt = Open(
  "$SAMPLE_DATA/Quality Control/Coating.jmp"
);
obj =
Control Chart Builder(
  Variables(
  Subgroup( :Sample ),
  Y( :Weight )
  ),
  Chart(
  Position( 1 ),
  Points( Statistic( "Average" ) ),
  Limits( Sigma( "Range" ) )
  ),
  Chart(
  Position( 2 ),
  Points( Statistic( "Range" ) ),
  Limits( Sigma( "Range" ) )
  ),
  Get Limits(
  "$SAMPLE_DATA/Quality Control/CoatingLimits.jmp"
  )
);

-Jeff