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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

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Hello, I use R in batch mode. Each time, I execute a script, R is loading each packages I need in my script. That's Ok But, I had to execute many scripts , and each time R is re-loading the corresponding packages, which take to much time Is it possible ask R to load the packages only once, and stay in memory in background for further scripts, which would avoid to load the packages in

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...ngs in fitdistr() from MASS. (Rolf Turner) 49. Re: Why isn't R recognising integers as numbers? (Peter Dalgaard) 50. Re: adding layers in ggplot2 (data and code included) (Eric) 51. Time series (ts) questions. (rkevinburton@charter.net) 52. Matrix balancing on margins (PALMIER Patrick - CETE NP/INFRA/TRF) 53. Re: Variable Selection for data reduction and discriminant anlaysis (Mark Difford) 54. Manage huge database ( Jos? E. Lozano ) 55. Re: Manage huge database (Barry Rowlingson) 56. Re: Symmetric matrix (Martin Maechler) 57. Re: Manage huge database (Yihui Xie) 58....