apropos() and find() Functions in R?
In this article, we will be discussing the aprops() and the find() functions with these working examples in the R programming language.
- apropos() function: This function returns a character vector giving the names of objects in the search list matching what.
- find() function: This returns where objects of a given name can be found.
apropos(what, where = FALSE, ignore.case = TRUE, mode = “any”)
find(what, mode = “any”, numeric = FALSE, simple.words = TRUE)
- what: character string. For simple.words = FALSE the name of an object; otherwise, a regular expression to match object names against.
- where numeric: a logical indicating whether positions in the search list should also be returned
- ignore.case: logical indicating if the search should be case-insensitive, TRUE by default.
- mode: character; if not “any”, only objects whose mode equals mode are searched.
- simple.words: logical; if TRUE, the what argument is only searched as a whole word.
In this example, we are calling the apropos function with the string “mean” passed to the function as the parameter, and further in return we are getting all the R objects with a name containing the character “mean” the R programming language.
 “.colMeans” “.rowMeans” “colMeans” “kmeans” “mean” “mean.Date” “mean.default”
 “mean.difftime” “mean.POSIXct” “mean.POSIXlt” “rowMeans” “weighted.mean”
We are using the find() function with passed the read.csv() function as its parameter to get in the return the location of the passed function in the package in the R programming language.
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