https://github.com/cran/FSelector
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Tip revision: d2854b77f74f8ee2cb0f4916e5d5a940f035fc6e authored by Lars Kotthoff on 07 January 2021, 17:10 UTC
version 0.32
Tip revision: d2854b7
misc.R
as.simple.formula <- function(attributes, class) {
	return(as.formula(paste(class, paste(attributes, sep = "", collapse = " + "), sep = " ~ ")))
}

get.data.frame.from.formula <- function(formula, data) {
	d = model.frame(formula, data, na.action = NULL)
	for(i in 1:dim(d)[2]) {
		if(is.factor(d[[i]]) || is.logical(d[[i]]) || is.character(d[[i]]))
			d[[i]] = factor(d[[i]])
	}
	return(d)
}

entropyHelper <- function(x, unit = "log") {
    return(entropy(table(x, useNA="always"), unit = unit))
}
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