Hi @UserID16644
try the followoing script see if it behaves well
// Open Data Table: Big Class.jmp
Open( "$SAMPLE_DATA/Big Class.jmp" );
// Select matching cells
Data Table( "Big Class" ) << Select Where( :sex == "F" );
// Subset data table
// → Data Table( "Subset of Big Class" )
Data Table( "Big Class" ) << Select Where( :sex == "F" ) <<
Subset( Selected Rows( 1 ), Selected columns only( 0 ) );
// Concatenate tables
Data Table( "Big Class" ) << Concatenate(
Data Table( "Subset of Big Class" ),
Append to first table
);
if it is well behaved try to understand what are the differences from the other results.
the only time i get new columns created using concatenate is when column names do not match.
let us know if it works.
ron