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Remove the attributes that have a single value for all instances. Empty and NA values are considered different values.
remove_unique_attributes(mdata)
The mldr dataset to remove.
a new mldr object.
Other pre process: fill_sparse_mldata, normalize_mldata, remove_attributes, remove_labels, remove_skewness_labels, remove_unlabeled_instances, replace_nominal_attributes
fill_sparse_mldata
normalize_mldata
remove_attributes
remove_labels
remove_skewness_labels
remove_unlabeled_instances
replace_nominal_attributes
# NOT RUN { alt.toy <- toyml alt.toy$dataset$ratt10 <- mean(alt.toy$dataset$ratt10) new.toy <- remove_unique_attributes(alt.toy) # }
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