have first year and last year in one row. how do i make a panel?

[aarony]

hi i have a data

company name first year last year

ibm                      2002      2005

apple                   2004      2007

how do i make this as below?

ibm 2002

ibm 2003

ibm 2004

ibm 2005

apple 2004

apple 2005

apple 2006

apple 2007

thanks so much in advance

[Reeza · Accepted solution]

Data want;

set have;

Do year = first_year to last_year;

output;

end;

Run;

[aarony]

thank you so much Reeza!