I’m doing my VAR regression with panel data on stata 12, but I face a problem with observations that are in negative value when generating logarithms. All the negative variables are missing after transformation in Logs. Is it normal or I have to correct this! Can I have a advice? Thank you!

  • $\begingroup$ This is a duplicate. The OP should read the suggested duplicate linked by T.E.G. $\endgroup$ – Michael R. Chernick Mar 25 '17 at 13:13