Sarah Goslee <sarah.goslee <at> gmail.com> writes: > > I think we need the reproducible example requested in > the posting guide.
==================== for ( datum in names(weblog_by_date) ) { print(datum) selected <- weblog_by_date[[datum]] res_size_by_host <- tapply( selected$size, selected$host, sum) mycat <- function(a,b) cat(paste(a, "==>", b, "\n")) mapply( mycat, selected$size, selected$host ) print( res_size_by_host ) print( "is there any NA?!") print( any( is.na(selected$size)) ) } ==================== At the end of the printouts, it gives me: ======================= 94.101.145.110 94.23.3.220 NA NA [1] "is there any NA?!" [1] FALSE > ======================= Strange, eh?! Ciao, Oliver ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.