how can I create a data with 10 zeros and 20 ones?

[tjsoda]

so that the frequency of zero is 10, and that of one is 20. thanks

[Jagadishkatam]

hi,

please check the below code;

data want(drop=i);

    do i=1 to 10;

    number=0;

    output;

    end;

    do i=1 to 20;

    number=1;

    output;

    end;

run;

proc freq data=want;

    table number;

run;

Thanks,

Jag