.Rprofile

# ignore system installation
# e.g. https://github.com/EBI-predocs/research-software/issues/57
.libPaths("~/.R")

# no factor coercion
# no graphical package install menu
# warn if partial matching arguments
options(
    stringsAsFactors = FALSE,

    menu.graphics = FALSE,
    repos = c(CRAN="http://mirrors.ebi.ac.uk/CRAN/"),

    warnPartialMatchAttr = TRUE,
    warnPartialMatchDollar = TRUE
)

# on non-interactive scripts, display traceback on errors
if (!interactive())
    options(error = function() {
        traceback(2, max.lines=10)
        quit(save="no", status=1)
    })

# save history to use up-arrow/ctrl+r in new session
if (interactive()) {
    .Last = function() try(utils::savehistory("~/.Rhistory"))
    utils::loadhistory("~/.Rhistory")
}

This should probably use R_HISTFILE instead of hardcoding the path. ;-)