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Hi, I'd like to make a legend with a mix of mathematical symbol (tau), numeric variable and character variables.I have tried : types<-c("Type 1","Type 2","Type 2") tau<-c(1,3,2) legend(x="topright",legend=paste(types,"tau=",expression(tau))) but it doesn't work: the 'tau' symbol is not written in its 'symbol

...t> OpenPGP ID 0xEB04D09C Ce que j'avais sous les yeux, c'?tait une repr?sentation th??trale du chaos total, une d?finition fonctionnelle du concept de confusion, une danse d?sordonn?e ? la gloire de la violence sinistre. C'?tait la guerre. -- Dan Simmons, "Les Cantos d'Hyp?rion" (Trad. Guy Abadia)