Ok, I got it. I should have to define a as a list, in order to get a sane behaviour... That makes sense:
> a <- as.list(NULL) > a[["item"]] <- 1:3 > a$item [1] 1 2 3 Best, Philippe Grosjean -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Philippe Grosjean Sent: jeudi 26 juin 2003 5:25 To: [EMAIL PROTECTED] Subject: [R] assignment in lists Hello, I do not understand the following behaviour. Could someone explain me what happens? > a <- NULL > a$item <- 1:3 > a$item [1] 1 2 3 > rm(a) > a <- NULL > a[["item"]] <- 1:3 Error: more elements supplied than there are to replace Why do I get an error message using list[["item"]], and not using list$item? Best, Philippe Grosjean ...........]<(({�<...............<�}))><............................... ) ) ) ) ) ( ( ( ( ( Dr. Philippe Grosjean ) ) ) ) ) ( ( ( ( ( LOV, UMR 7093 ) ) ) ) ) Station Zoologique ( ( ( ( ( Observatoire Oc�anologique ) ) ) ) ) BP 28 ( ( ( ( ( 06234 Villefranche sur mer cedex ) ) ) ) ) France ( ( ( ( ( ) ) ) ) ) tel: +33.4.93.76.38.18, fax: +33.4.93.76.38.34 ( ( ( ( ( ) ) ) ) ) e-mail: [EMAIL PROTECTED] ( ( ( ( ( SciViews project coordinator (http://www.sciviews.org) ) ) ) ) ) ....................................................................... ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
