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Hello there, would you please look into my codes? Here I have following: > set.seed(100) > samp <- sample(c(1,-1,0), 20, replace=T); samp [1] 1 1 -1 1 -1 -1 0 -1 -1 1 -1 0 1 -1 0 0 1 -1 -1 0 Here I want to calculate the length of each unique number for above vector. How can I do that? Thanks in advance [[alternative HTML version deleted]]

Hi all, I am trying to understand the R's "environment" concept however the underlying help files look quite technical to me. Can experts here provide me some more intuitive ideas behind this concept like, why it is there, what exactly it is doing in R's architecture etc.? I mainly need some non-technical intuitive explanation. Thanks,

Hi all, I am trying to understand the R's "environment" concept however the underlying help files look quite technical to me. Can experts here provide me some more intuitive ideas behind this concept like, why it is there, what exactly it is doing in R's architecture etc.? I mainly need some non-technical intuitive explanation. Thanks,

Dear all, I am a new user of R and currently trying hard to develop my own package. Here I am following this tutorial 'http://www.mathfinance.cn/how-to-create-an-R-package-in-windows/' Here it says that (step 8): "open a ?command prompt? window, change the directory to where your package is, type the command ?R CMD build MonteCarloPi? to build the package, this will generate a file

Hi all, I have created a package and now into writing it's help files. However I am having problem on, how to put a 'new line' in any statement of the help file? For example please consider following: \title{ This is a new function and this function will calculate the mean. } However I want to write it is this way: \title{ This is a new function & and, this function will

Hello I am struggling to accomplice an idea which is as follows: I have a vector say: a <- c("a", "b", "c", "a") and another: b <- c("m", "n", "o", "m"). Length of those 2 vectors are essentially be same. Here task is to check the duplicates in the vector 'a' and then to check whether any duplicates are

Hi there, given a numeric vector, I can select numbers within a specific range. However presently, I have something related but different problem. Suppose I have a numeric vector. Now take an arbitrary number. Goal to to chose a specific subset with a given length, from that given vector, so that those chosen numbers are centered around that given constant. Here is one example: ### My original

Dear all, it is my first post in R-devel list, and hope that this is the right place to ask question related to package development. I have created my first package in Windows through the usual route. Now I want to add some ***Welcome message*** as soon as user loads my package into their R console, using library() function. However I could not figure out where and how should I add this

Hi all, I was trying to create some vignette files for my newly developed package, however wondering whether there could be any simpler way to do so. In writing R extension it is advised to go through Sweave route, however I have already got a big pdf file and want to use this as package vignette. So far I have manually created the inst/doc folder in the main package skeleton, and put that file

Hi again, yesterday I mailed this query however I could not see this on the mail list. Therefore, I am reposting it again. I was using package.skeleton() function to create the skeleton of my package in windows. Here is my attempt: rm(list = ls()) setwd("F:/R_PackageBuild") package.skeleton("trial1", namespace = TRUE, code_files = "F:/R_PackageBuild/trial.r") In

Dear all, I am having problem to create a package when this package is supposed to have some newly created s4 class. Here is my workout: > #rm(list = ls()) > setClass("aClass", sealed=T, representation(slot1 = "vector", slot2 = "character")) [1] "aClass" > fn1 <- function(x, y, z) { + x <- x[1] + y <- y[1] + z <- as.character(z[1]) +

Hi again, I was using package.skeleton() function to create the skeleton of my package in windows. Here is my attempt: rm(list = ls()) setwd("F:/R_PackageBuild") package.skeleton("trial1", namespace = TRUE, code_files = "F:/R_PackageBuild/trial.r") In the trial.r file, there are 2 objects, one is a function and another is data. Here they are: fn1 <-