select_features | R Documentation |
Remove features from dtm of each group base don cc_test and tsj
select_features(m, indices1, indices2, cc_test = 0.3, tsj = 3)
m |
global dtm |
indices1 |
indices of documents of group 1 |
indices2 |
indices of documents of group 2 |
cc_test |
maximum contingency coefficient value for the feature to be kept in both groups. |
tsj |
minimum feature frequency in the dtm |
Internal function, not to be used directly
a list of two character vectors : cols1
is the name of features to
keep in group 1, cols2
the name of features to keep in group 2
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