下面是我发现的两个方便使用窗口的函数。

第一个将\s转换为/。

.repath <- function() {
   cat('Paste windows file path and hit RETURN twice')
   x <- scan(what = "")
   xa <- gsub('\\\\', '/', x)
   writeClipboard(paste(xa, collapse=" "))
   cat('Here\'s your de-windowsified path. (It\'s also on the clipboard.)\n', xa, '\n')
 }

第二个选项在一个新的资源管理器窗口中打开工作目录。

getw <- function() {
    suppressWarnings(shell(paste("explorer",  gsub('/', '\\\\', getwd()))))
}

这是我的。我总是使用主要的cran存储库，并且有代码可以使它很容易地获得开发包中的代码。

.First <- function() {
    library(graphics)
    options("repos" = c(CRAN = "http://cran.r-project.org/"))
    options("device" = "quartz")
}

packages <- list(
  "describedisplay" = "~/ggobi/describedisplay",
  "linval" = "~/ggobi/linval", 

  "ggplot2" =  "~/documents/ggplot/ggplot",
  "qtpaint" =  "~/documents/cranvas/qtpaint", 
  "tourr" =    "~/documents/tour/tourr", 
  "tourrgui" = "~/documents/tour/tourr-gui", 
  "prodplot" = "~/documents/categorical-grammar"
)

l <- function(pkg) {
  pkg <- tolower(deparse(substitute(pkg)))
  if (is.null(packages[[pkg]])) {
    path <- file.path("~/documents", pkg, pkg)
  } else {
    path <- packages[pkg]
  }

  source(file.path(path, "load.r"))  
}

test <- function(path) {
  path <- deparse(substitute(path))
  source(file.path("~/documents", path, path, "test.r"))  
}

我有这个，更动态的技巧来使用全终端宽度，它试图从COLUMNS环境变量中读取(在Linux上):

tryCatch(
  {options(
      width = as.integer(Sys.getenv("COLUMNS")))},
  error = function(err) {
    write("Can't get your terminal width. Put ``export COLUMNS'' in your \
           .bashrc. Or something. Setting width to 120 chars",
           stderr());
    options(width=120)}
)

这样，即使您调整终端窗口的大小，R也将使用全宽度。

我发现两个函数是非常必要的:首先，当我在几个函数上设置debug()并且我已经解决了错误，所以我想要undebug()所有函数-而不是一个接一个。在这里添加的undebug_all()函数作为接受的答案是最好的。

其次，当我定义了许多函数并正在寻找一个特定的变量名时，很难在ls()的所有结果中找到它，包括函数名。这里发布的lsnofun()函数真的很好。

sink(file = 'R.log', split=T)

options(scipen=5)

.ls.objects <- function (pos = 1, pattern, order.by = "Size", decreasing=TRUE, head =     TRUE, n = 10) {
  # based on postings by Petr Pikal and David Hinds to the r-help list in 2004
  # modified by: Dirk Eddelbuettel (http://stackoverflow.com/questions/1358003/tricks-to-    manage-the-available-memory-in-an-r-session) 
  # I then gave it a few tweaks (show size as megabytes and use defaults that I like)
  # a data frame of the objects and their associated storage needs.
  napply <- function(names, fn) sapply(names, function(x)
          fn(get(x, pos = pos)))
  names <- ls(pos = pos, pattern = pattern)
  obj.class <- napply(names, function(x) as.character(class(x))[1])
  obj.mode <- napply(names, mode)
  obj.type <- ifelse(is.na(obj.class), obj.mode, obj.class)
  obj.size <- napply(names, object.size) / 10^6 # megabytes
  obj.dim <- t(napply(names, function(x)
            as.numeric(dim(x))[1:2]))
  vec <- is.na(obj.dim)[, 1] & (obj.type != "function")
  obj.dim[vec, 1] <- napply(names, length)[vec]
  out <- data.frame(obj.type, obj.size, obj.dim)
  names(out) <- c("Type", "Size", "Rows", "Columns")
  out <- out[order(out[[order.by]], decreasing=decreasing), ]
  if (head)
    out <- head(out, n)
  out
}

我有一个环境变量R_USER_WORKSPACE，它指向包的顶部目录。在. rprofile中，我定义了一个函数devlib，它设置了工作目录(以便data()工作)，并在R子目录中获取所有.R文件。它与上面Hadley的l()函数非常相似。

devlib <- function(pkg) {
  setwd(file.path(Sys.getenv("R_USER_WORKSPACE", "."), deparse(substitute(pkg)), "dev"))
  sapply(list.files("R", pattern=".r$", ignore.case=TRUE, full.names=TRUE), source)
  invisible(NULL)
}

.First <- function() {
  setwd(Sys.getenv("R_USER_WORKSPACE", "."))
  options("repos" = c(CRAN = "http://mirrors.softliste.de/cran/", CRANextra="http://www.stats.ox.ac.uk/pub/RWin"))
}

.Last <- function() update.packages(ask="graphics")