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...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...

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...

...lot 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]]