Returns the n nearest words to a given word or sentence/document
a character vector of
the number of neighbors to be computed
the semantic space in which the computation is to be done (a numeric matrix where every row is a word vector)
The format of
x should be of the kind
x <- "word1 word2 word3" instead of
x <- c("word1", "word2", "word3") if sentences/documents are used as input. This allows for simple copy&paste-inserting of text.
To import a document Document.txt to from a directory for comparisons, set your working directory to this directory using
setwd(). Then use the following command lines:
fileName1 <- "Alice_in_Wonderland.txt"
x <- readChar(fileName1, file.info(fileName1)$size).
x can also be chosen to be any vector of the active LSA Space, this function can be
compose() to compute neighbors of complex expressions (see examples)
A named numeric vector. The neighbors are given as names of the vector, and their respective cosines to the input as vector entries.
Landauer, T.K., & Dumais, S.T. (1997). A solution to Plato's problem: The Latent Semantic Analysis theory of acquisition, induction and representation of knowledge. Psychological Review, 104, 211-240.
Dennis, S. (2007). How to use the LSA Web Site. In T. K. Landauer, D. S. McNamara, S. Dennis, & W. Kintsch (Eds.), Handbook of Latent
Semantic Analysis (pp. 35-56). Mahwah, NJ: Erlbaum.
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