On 04/06/2011 01:46 PM, Brian Smith wrote: > However, if the package is loaded within the function call, then everything > seems to be ok. ...?? Where am I going wrong? did you try using the 'packages' argument to the sge.parRapply function? -- Brian G. Peterson http://braverock.com/brian/ Ph: 773-459-4973 IM: bgpbraverock