dissimilarity {tm} | R Documentation |
Compute the dissimilarity between documents in a term-document matrix or between two explicit documents.
## S3 method for class 'TermDocumentMatrix': dissimilarity(x, y = NULL, method) ## S3 method for class 'PlainTextDocument': dissimilarity(x, y = NULL, method)
x |
Either a term-document matrix or a text document. |
y |
A text document. Only used if x is a text document. |
method |
Dissimilarity measure. Any method accepted by dist
from package proxy can be passed over. |
An object of class dist
representing the dissimilarity between
participating documents.
data("crude") tdm <- TermDocumentMatrix(crude) dissimilarity(tdm, method = "cosine") dissimilarity(crude[[1]], crude[[2]], method = "eJaccard")