corpusToPrisma {PRISMA} | R Documentation |
Convert tm copus to PRISMA
Description
Converts a tm corpus object to a PRISMA object.
Usage
corpusToPrisma(corpus, alpha = 0.05, skipFeatureCorrelation = FALSE)
Arguments
corpus |
a tm corpus |
alpha |
significance level for the feature tests. If NULL, all features are kept. |
skipFeatureCorrelation |
should the grouping of features based on correlation analysis be skipped. |
Value
prismaData |
data object representing the tokenized documents as features x samples matrix. |
Author(s)
Tammo Krueger <tammokrueger@googlemail.com>
Examples
if (require("tm") && packageVersion("tm") >= '0.6') {
data(thesis)
thesis
thesis = corpusToPrisma(thesis, NULL, TRUE)
thesis
}
[Package PRISMA version 0.2-7 Index]