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Has anybody written an actuarial (life) survival procedure, this does not appear to be an option in the survival package? This approach is common in orthopaedic surgery to demonstrate the survival of prostheses. I need to apply the "modified" lower...

Full_Name: Raymond Salvador Version: R 1.6.2 OS: Windows ME Submission from: (NULL) (131.111.93.195) The mean function applied on individual components of several correlation matrices gives a wrong result (gives the first value instead of...

I have used polygon() to mark the confidence limits of a survival curve. In another project, I have used the col parameter to fill my boxplots. The poly() description refers to filling but actually produces hatching (i.e. lines ). boxplot...

I would like to thank all of you who replied to my last question regarding the generation of random numbers. I have read much about the theory and have been fortunate to find some rng code. Now my task lies...

Hi R-users, Could anyone point me to package of GEV (not the POT package) including function that estimates parameters by weighted moments method? Best regrads Lassana KOITA Charg? d'Etudes de S?curit? et d'Exploitation a?roportuaires / Project...

Hello All, I am trying to format a box plot chart for a report so it matches other charts I have created in other software programs. My problem is that I need to rotate the values on the Y axis...

Hello, there, I wrote a loop to check the dimension of all the .txt dataframes:> ls() ?[1] "actualpca.table" "b4galnt2"??????? "b4galnt2.txt"??? "data" ?[5] "galnt4"????????? "galnt4.txt"????? "galnt5"????????? "galnt5.txt" ?[9] "galnt6"????????? "galnt6.txt"????? "glyco"?????????? "glyco.txt" [13] "i"?????????????? "mtscaled...

Hi, Paul, Thank you very much! It works this time with "strict=FALSE" option. Another relevant question: how did you figure out? that boxes in boxplot are called "bwplot.box.polygon". If I am trying to make a gradient filling...

I'm having problems understanding why the residual sum squares for a reduced linear mixed model is sometimes smaller for a "reduced" model than for a "full" model. Take the "Pastes" dataset for example: fm3M <- lmer(strength ~ 1 + (1|batch...

I get strange results when I try to format() an NA character string. > x <- 'sometext' > x[1] <- NA > format(NA, width=32) # displays sensibly, right-justified > format(x,width=32) # displays sensibly, left-justified > format(x,width=33) # displays "" > format...

Hi -- subject says all. I just want the code for that function, which I guess was in Venables and Ripley as early as 1994. Well, and for any of the sub-functions that glm.nb calls. I can't install...

hi all i have a few questions about formatting plots: 1. i would like to add a symbol such as chi squared with 3 degrees of freedom onto a plot. expression(chi^2 == jnfdjb), can be used in conjuction with...

Hello, there, What exactly does "expand" do for this function? I followed the examples from the manual to get a plot: d <- ggplot(subset(diamonds, carat > 1), aes(cut, clarity)) +geom_jitter() I would like to have all the dots...

Dear colleagues, Is there any quick way for converting from R-matrix to listw-object of style 'W' (row-standardized)? I tried mat2listw but the result is style 'M' (which is not what I need). I also wrote my own...

Thank you to all who replied to my previous question regarding the generation of random numbers. I have read up on the literature and learnt a whole lot more. In my research I found code for many generators which I...

Thank you to all who replied to my previous question regarding the generation of random numbers. I have read up on the literature and learnt a whole lot more. In my research I found code for many generators which I...

Full_Name: David Firth Version: 1.3.1 OS: various Submission from: (NULL) (163.1.103.121) 1. help(glm.fit) does not properly document glm.fit. The arguments x,y for that function are not logicals. It would be...

install@herb1:~/R-0.65.1> ./configure --help .... --with-gnome use GNOME (if available) --with-gnome-includes Specify location of GNOME headers --with-gnome-libs Specify location of GNOME libs --with-gnome Specify prefix for GNOME files Is that last...

Dear list, is there a way to open a .zip folder so that one can extract and modify files inside and then save teh .zip folder again? thanks! Jose -- Dr. Jose I. de las Heras Email: J.delasHeras at ed...

Hi, I have a data frame, data, containing two columns: one- the TimeStamp (formatted using data$TimeStamp <- as.POSTIXct(as.character(data$TimeStamp), format = "%d/%m/%Y %H:%M") ) and two- the data value. The data frame has been read...