The explanation is likely that class(x) returns a character vector of length > 1. If you go into the code you can achieve what is probably intended without triggering this error by replacing that statement with the following: if (inherits(x,"netmeta")) ... HTH, Eric On Mon, Jan 6, 2025 at 9:57?AM Miland Joshi <miland_j at hotmail.com> wrote:> I succeeded in getting netmetabin to work, but when trying to use > direct.evidence.plot I ran into a problem: > > > nb1evid <- direct.evidence.plot(nb1) > Error in if (class(x) != "netmeta") { : the condition has length > 1 > > I tried updating netmeta and dmetar (and dmetafor) from R, but the problem > remains. > Has anyone come across this, and could it be a bug? > > Regards > Miland Joshi > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > https://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. >[[alternative HTML version deleted]]
Hello In R when I looked at the class of nb1 I got:> class(nb1)[1] "netmetabin" "netmeta" which suggests that netmeta might work but netmetabin may cause problems. I'll notify Mathias Harrer! BW Miland ________________________________ From: Eric Berger <ericjberger at gmail.com> Sent: 06 January 2025 08:24 To: Miland Joshi <miland_j at hotmail.com> Cc: r-help at R-project.org <r-help at r-project.org> Subject: Re: [R] Possible bug in direct.evidence.plot? The explanation is likely that class(x) returns a character vector of length > 1. If you go into the code you can achieve what is probably intended without triggering this error by replacing that statement with the following: if (inherits(x,"netmeta")) ... HTH, Eric On Mon, Jan 6, 2025 at 9:57?AM Miland Joshi <miland_j at hotmail.com<mailto:miland_j at hotmail.com>> wrote: I succeeded in getting netmetabin to work, but when trying to use direct.evidence.plot I ran into a problem:> nb1evid <- direct.evidence.plot(nb1)Error in if (class(x) != "netmeta") { : the condition has length > 1 I tried updating netmeta and dmetar (and dmetafor) from R, but the problem remains. Has anyone come across this, and could it be a bug? Regards Miland Joshi [[alternative HTML version deleted]] ______________________________________________ R-help at r-project.org<mailto:R-help at r-project.org> mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide https://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. [[alternative HTML version deleted]]
This is as I expected. My suggested fix will work in this case. On Mon, Jan 6, 2025 at 1:03?PM Miland Joshi <miland_j at hotmail.com> wrote:> Hello > > In R when I looked at the class of nb1 I got: > > class(nb1) > [1] "netmetabin" "netmeta" > > which suggests that netmeta might work but netmetabin may cause problems. > I'll notify Mathias Harrer! > > BW > Miland > > ------------------------------ > *From:* Eric Berger <ericjberger at gmail.com> > *Sent:* 06 January 2025 08:24 > *To:* Miland Joshi <miland_j at hotmail.com> > *Cc:* r-help at R-project.org <r-help at r-project.org> > *Subject:* Re: [R] Possible bug in direct.evidence.plot? > > The explanation is likely that class(x) returns a character vector of > length > 1. > If you go into the code you can achieve what is probably intended without > triggering this error by replacing that statement with the following: > > if (inherits(x,"netmeta")) ... > > HTH, > Eric > > > On Mon, Jan 6, 2025 at 9:57?AM Miland Joshi <miland_j at hotmail.com> wrote: > > I succeeded in getting netmetabin to work, but when trying to use > direct.evidence.plot I ran into a problem: > > > nb1evid <- direct.evidence.plot(nb1) > Error in if (class(x) != "netmeta") { : the condition has length > 1 > > I tried updating netmeta and dmetar (and dmetafor) from R, but the problem > remains. > Has anyone come across this, and could it be a bug? > > Regards > Miland Joshi > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > https://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > >[[alternative HTML version deleted]]