RCaBoChaMx {RCaBoCha} | R Documentation |
creates a document-term matrix out of a file or all textfiles in a given directory.
RCaBoChaMx(directory, str2 = "", pos = "DEFAULT", minFreq = 1, weight = "no", mecabrc = "" , cabocharc = "")
directory |
directory path or a filename (may include path). |
str2 |
a japaense word |
pos |
specifies which parts of speech should be extracted. |
minFreq |
words of a document appearing less than minDocFreq within that document will be ignored. |
weight |
Calculates a weighted document-term matrix with some options. |
mecabrc |
to specify mecab resource file mecabrc |
cabocharc |
to specify cabocha resource file cabocharc |
All textfiles in the specified directory are read in and a matrix is composed. Every cell of the matrix shows the actual frequency of each word.
RCaBoChaMx |
the document-term matrix |
Motohiro ISHIDA ishida.motohiro@gmail.com
石田基広『Rによるテキストマイニング入門』森北出版 2008