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Hi all, I am looking for a R function which unables me to plot mean +/- SEM. Is there such a function in R? Many thanks, Stefo [[alternative HTML version deleted]]

Hello everybody, I would like to read a SAS Data data1.sas7bdat in R! Is this possible? Thank you a lot in advance ;), Stefo

Hello,   I am using: save(data,file="D:/mayData.RData"), and I have the following error:   Error in save(data, file = "D:/mayData.RData") : error writing to connection   Thank you very much in advance, Stefo [[alternative HTML version deleted]]

Hello all, I read the following variable > x x 1 1_A1_ML1_a.DLL 2 11_B1_ML2_a.DLL 3 4_A1_ML3_a.DLL 4 55_C1_ML4_a.DLL 5 14_C1_ML5_a.DLL I would like to disperse it in three variable such as > x1 [1] 1 11 4 55 14 > x2 [1] "A1" "B1" "A1" "C1" "C1" > x3 [1] "ML1" "ML2" "ML3"

Hello, I am beginner in R and I would like to solve the following problem: Suppose that we have three files to be red in R d1, d2, and d3 > d1 id x1 x2 1 1 4 n 2 2 3 h 3 3 0 f > d2 id x1 x2 1 1 2 r 2 2 3 u 3 3 1 f > d3 id x1 x2 1 1 2 a 2 2 1 w Is there any library or function that one can read this datasets like for(i in 1:3) d[i] <-