Dear Duncan and A.K. Many thanks for your super quick help. The modified lapply did the trick, mapply died with a error "Error in dots[[2L]][[1L]] : object of type 'builtin' is not subsettable". Kind regards, Ivan On 17 Apr 2013, at 17:12, Duncan Murdoch <murdoch.dun...@gmail.com> wrote:
> On 17/04/2013 11:04 AM, Ivan Alves wrote: >> Dear all, >> >> List g has 2 elements >> >> > names(g) >> [1] "2009-10-07" "2012-02-29" >> >> and the list plot >> >> lapply(g, plot, main=names(g)) >> >> results in equal plot titles with both list names, whereas distinct titles >> names(g[1]) and names(g[2]) are sought. Clearly, lapply is passing 'g' in >> stead of consecutively passing g[1] and then g[2] to process the additional >> 'main' argument to plot. help(lapply) is mute as to what to element-wise >> pass parameters. Any suggestion would be appreciated. > > I think you want mapply rather than lapply, or you could do lapply on a > vector of indices. For example, > > mapply(plot, g, main=names) > > or > > lapply(1:2, function(i) plot(g[[i]], main=names(g)[i])) > > Duncan Murdoch ______________________________________________ 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.
