Dear Rui, Great, many thanks !
Le jeudi 31 mars 2022, 13:48:07 UTC+2, Rui Barradas <ruipbarra...@sapo.pt> a écrit : Hello, You have spaces in the method = " holm " argument. Remove them and have the error function return the error to see the error. tryCatch ({ r <- localTests(g1, d) p.dagitty.param.correct <- min(p.adjust(r$p.value , method = " holm ")) }, error = function(e) {e}) #<simpleError in match.arg(method): 'arg' should be one of “holm”, #“hochberg”, “hommel”, “bonferroni”, “BH”, “BY”, “fdr”, “none”> tryCatch ({ r <- localTests(g1, d) p.dagitty.param.correct <- min(p.adjust(r$p.value , method = "holm")) }, error = function(e) {e}) #Warning message: #In min(p.adjust(r$p.value, method = "holm")) : # no non-missing arguments to min; returning Inf p.dagitty.param.correct #[1] Inf Hope this helps, Rui Barradas Às 10:58 de 31/03/2022, varin sacha via R-help escreveu: > Dear R-experts, > > Here below my R code (toy example). No message error but I would like to know > why I get NULL as a response and what does it mean ? > > Many thanks. > > ############################################# > library(dagitty) > > x1=c(23,54,34,55,61,56,57,65,63,78,34,23,12,54,94) > x2=c(98,76,67,89,34,56,78,99,89,120,98,67,56,54,87) > x3=c(12,13,14,21,11,16,54,23,12,13,22,11,33,23,21) > x4=c(34,35,45,36,65,45,55,53,51,56,57,64,34,35,45) > > X=x1+x2+x3 > Y=x4 > d <- data.frame (x1,x2,x3,x4, X=X, Y=Y) > type = c ( " cont " , " cont " , " cont " , " cont " , " cont " , " cont ") > > g1 <- dagitty ( " dag { > x1 -> x2 > x1 -> x3 > x1 -> x4 > x2 -> x3 > x2 -> x4 > x3 -> x4 > X-> Y > x1-> X > x2-> X > x3-> X > x4-> X > x1-> Y > x2-> Y > x3-> Y > x4-> Y > } " ) > tryCatch ({ > r = localTests ( g1 , d ) ; > p.dagitty.param.correct [ i ] = min ( p.adjust ( r$p.value , method = " holm > " ) ) ; > } , error = function( e ) {}) ; > ############################################# > > > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.