R: Automatic Text Classification via Supervised Learning

# Automatic Text Classification via Supervised Learning

## Documentation for package ‘RTextTools’ version 1.4.3

- DESCRIPTION file
- Code demos. Use demo() to run them.

## Help Pages

analytics-class | an S4 class containing the analytics for a classified set of documents.
analytics_virgin-class | an S4 class containing the analytics for a classified set of documents.
as.compressed.matrix | converts a tm DocumentTermMatrix or TermDocumentMatrix into a matrix.csr representation.
classify_model | makes predictions from a train_model() object.
classify_models | makes predictions from a train_models() object.
create_analytics | creates an object of class analytics given classification results.
create_container | creates a container for training, classifying, and analyzing documents.
create_ensembleSummary | creates a summary with ensemble coverage and precision.
create_matrix | creates a document-term matrix to be passed into create_container().
create_precisionRecallSummary | creates a summary with precision, recall, and F1 scores.
create_scoreSummary | creates a summary with the best label for each document.
cross_validate | used for cross-validation of various algorithms.
getStemLanguages | Query the languages supported in this package
matrix_container-class | an S4 class containing the training and classification matrices.
NYTimes | a sample dataset containing labeled headlines from The New York Times.
print_algorithms | prints available algorithms for train_model() and train_models().
read_data | reads data from files into an R data frame.
recall_accuracy | calculates the recall accuracy of the classified data.
summary.analytics | summarizes the 'analytics-class' class
summary.analytics_virgin | summarizes the 'analytics_virgin-class' class
train_model | makes a model object using the specified algorithm.
train_models | makes a model object using the specified algorithms.
USCongress | a sample dataset containing labeled bills from the United State Congress.
wordStem | Get the common root/stem of words