#' panda
#'
#' @name panda
#' @docType package
NULL
is.installed <- function(x) {
return(x %in% .packages(all.available=TRUE))
}
if (!is.installed('holstius')) {
message("Installing package 'holstius' from GitHub ...")
install_github('holstius', 'holstius')
}
if (!is.installed('shiny')) {
message("Installing package 'shiny' from RStudio ...")
install.packages('shiny', repos='http://rstudio.org/_packages')
}
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