Hi

I have data in Stata

I want to convert this into long formate, please

clear
input LATNUM LONGNUM d2021_02 d2021_03 d2021_04 d2021_05
36.44991823 72.57155787 99999 99999 99999 99999
35.89191425 71.72687311 99999 99999 99999 99999
35.16956641 71.8344582 99999 99999 68420.41716 94735.90842
end


Thanks