I am running Windows 11, JMP 17 and R 4.1.3 and the code runs without error
/*:
//:*/
Names Default To Here( 1 );
R Init();
x1 = [1, 2, 3];
R Send( x1 );
R Submit("
print(x1)
print(typeof(x1));
"
);
x2 = R Get( x1 );
/*:
[,1]
[1,] 1
[2,] 2
[3,] 3
attr(,"name")
[1] "x1"
attr(,"class")
[1] "matrix"
attr(,"DataType")
[1] 1
attr(,"ModelingType")
[1] 1
attr(,"JMPName")
[1] "x1"
attr(,"RName")
[1] "x1"
[1] "double"
[1, 2, 3]
Jim