trev101 vegetahanhotmailcom hey starting learn r typed simple survival program librarysurvival c1013181923303638545659759397104107107107 c c100101100011110100 data survtc km survfitdata summarykm call survfitformula data everytime run get error error evalwithvisexpr envir enclos object call found someone please help really idea wat done wrong installed survival library maybe library need install view message context httpwwwnabblecomtryingtorunsimplesurvivalprograminrbutdoesnotworktp18865807p18865807html 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 005631 0700 r trying run simple survival program r work