Nothing
# .pkgenv <- new.env(parent=emptyenv())
#
#
# .onAttach<- function(libname, pkgname) {
#
# flloc <- system.file(package='lexicon', 'data/hash_valence_shifters.rda')
# load(flloc, envir = .pkgenv, verbose = FALSE)
# # data("hash_valence_shifters", package = "lexicon", envir = .pkgenv) # this limits to pkg env
# .pkgenv[["hash_valence_shifters2"]] <- .pkgenv[['hash_valence_shifters']]
# rm('hash_valence_shifters', envir = .pkgenv)
# }
as_key <- function(x, comparison = TRUE, sentiment = TRUE, ...){
stopifnot(is.data.frame(x))
class(x) <- 'data.frame'
culprits <- NULL
if (length(x[[1]]) != length(unique(x[[1]]))) {
x <- x[!duplicated(x[[1]]), ]
}
if (any(grepl("[A-Z]", x[[1]]))) {
x[[1]] <- tolower(x[[1]])
}
if (is.factor(x[[1]])) {
x[[1]] <- as.character(x[[1]])
}
if (!is.character(x[[1]])) stop("Column 1 must be character")
if (isTRUE(sentiment) && !is.numeric(x[[2]])) stop("Column 2 must be numeric")
colnames(x) <- c("x", "y")
if (!is.null(comparison)) {
x <- x[!x[["x"]] %in% c(
"absolutely", "acute", "acutely", "ain't", "aint", "almost",
"although", "aren't", "arent", "barely", "but", "can't", "cannot",
"cant", "certain", "certainly", "colossal", "colossally", "considerably",
"couldn't", "couldnt", "daren't", "darent", "decidedly", "deep",
"deeply", "definite", "definitely", "despite all that", "despite all this",
"despite that", "despite this", "didn't", "didnt", "doesn't",
"doesnt", "don't", "dont", "enormous", "enormously", "especially",
"extreme", "extremely", "faintly", "few", "greatly", "hadn't",
"hadnt", "hardly", "hasn't", "hasnt", "haven't", "havent", "heavily",
"heavy", "high", "highly", "however", "huge", "hugely", "immense",
"immensely", "incalculable", "incalculably", "incredibly", "isn't",
"isnt", "kind of", "kinda", "least", "little", "majorly", "massive",
"massively", "mightn't", "mightnt", "more", "most", "much", "mustn't",
"mustnt", "needn't", "neednt", "neither", "never", "no", "nobody",
"none", "nor", "not", "only", "oughtn't", "oughtnt", "particular",
"particularly", "partly", "purpose", "purposely", "quite", "rarely",
"real", "really", "seldom", "serious", "seriously", "severe",
"severely", "shan't", "shant", "shouldn't", "shouldnt", "significant",
"significantly", "slightly", "somewhat", "sort of", "sorta",
"sparsely", "sporadically", "sure", "surely", "that being said",
"totally", "true", "truly", "uber", "vast", "vastly", "very",
"very few", "very little", "wasn't", "wasnt", "weren't", "werent",
"whereas", "won't", "wont", "wouldn't", "wouldnt"
), ]
}
data.table::setDT(x)
x <- x[order(x),]
data.table::setkey(x, "x")
x
}
# comparison <- le
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