what is tsset issuer id? tsset issuer_id xtreg tsset issuer_id maturity how to tsset in stata how to set time variables in stata is the maturity time variable in stata valid? is issuer date a period how to set tsset issuer tsset issuer date how to set a spread in stata when does xtreg fail stata what is a tsset issuer maturity how to set the time dimensions in stata tsset issuer date maturity how to set the maturity date in stata when tsset issuer id date in stata when is the tsset error when setting tsset xtreg how many variables are used how do you set the tsset? what is the error for repeating time values within stata