trevor hansen vegetahanhotmailcom hey thanx works gives output require still like call option guess important since got output required thanx help really appreciate view message context httpwwwnabblecomtryingtorunsimplesurvivalprograminrbutdoesnotworktp18865807p18867112html sent r help mailing list archive nabblecom ______________________________________________ rhelprprojectorg mailing list httpsstatethzchmailmanlistinforhelp please read posting guide httpwwwrprojectorgpostingguidehtml provide commented minimal selfcontained reproducible code thu 07 aug 2008 024347 0700 r trying run simple survival program r work