compile_package_jars    Compile Scala sources into a Java Archive (jar)
connection_config       Read configuration values for a connection
copy_to.spark_connection
                        Copy an R Data Frame to Spark
ensure                  Enforce Specific Structure for R Objects
find_scalac             Discover the Scala Compiler
ft_binarizer            Feature Transformation - Binarizer
ft_bucketizer           Feature Transformation - Bucketizer
ft_discrete_cosine_transform
                        Feature Transformation - Discrete Cosine
                        Transform (DCT)
ft_elementwise_product
                        Feature Transformation - ElementwiseProduct
ft_index_to_string      Feature Transformation - IndexToString
ft_one_hot_encoder      Feature Transformation - OneHotEncoder
ft_quantile_discretizer
                        Feature Transformation - QuantileDiscretizer
ft_regex_tokenizer      Feature Tranformation - RegexTokenizer
ft_sql_transformer      Feature Transformation - SQLTransformer
ft_string_indexer       Feature Transformation - StringIndexer
ft_tokenizer            Feature Tranformation - Tokenizer
ft_vector_assembler     Feature Transformation - VectorAssembler
invoke                  Invoke a Method on a JVM Object
livy_config             Create a Spark Configuration for Livy
livy_service_start      Start Livy
ml_als_factorization    Spark ML - Alternating Least Squares (ALS)
                        matrix factorization.
ml_binary_classification_eval
                        Spark ML - Binary Classification Evaluator
ml_classification_eval
                        Spark ML - Classification Evaluator
ml_create_dummy_variables
                        Create Dummy Variables
ml_decision_tree        Spark ML - Decision Trees
ml_generalized_linear_regression
                        Spark ML - Generalized Linear Regression
ml_gradient_boosted_trees
                        Spark ML - Gradient-Boosted Tree
ml_kmeans               Spark ML - K-Means Clustering
ml_lda                  Spark ML - Latent Dirichlet Allocation
ml_linear_regression    Spark ML - Linear Regression
ml_logistic_regression
                        Spark ML - Logistic Regression
ml_model                Create an ML Model Object
ml_multilayer_perceptron
                        Spark ML - Multilayer Perceptron
ml_naive_bayes          Spark ML - Naive-Bayes
ml_one_vs_rest          Spark ML - One vs Rest
ml_options              Options for Spark ML Routines
ml_pca                  Spark ML - Principal Components Analysis
ml_prepare_dataframe    Prepare a Spark DataFrame for Spark ML Routines
ml_prepare_response_features_intercept
                        Pre-process the Inputs to a Spark ML Routine
ml_random_forest        Spark ML - Random Forests
ml_saveload             Save / Load a Spark ML Model Fit
ml_survival_regression
                        Spark ML - Survival Regression
ml_tree_feature_importance
                        Spark ML - Feature Importance for Tree Models
na.replace              Replace Missing Values in Objects
register_extension      Register a Package that Implements a Spark
                        Extension
sdf-saveload            Save / Load a Spark DataFrame
sdf_copy_to             Copy an Object into Spark
sdf_mutate              Mutate a Spark DataFrame
sdf_partition           Partition a Spark Dataframe
sdf_persist             Persist a Spark DataFrame
sdf_predict             Model Predictions with Spark DataFrames
sdf_quantile            Compute (Approximate) Quantiles with a Spark
                        DataFrame
sdf_read_column         Read a Column from a Spark DataFrame
sdf_register            Register a Spark DataFrame
sdf_sample              Randomly Sample Rows from a Spark DataFrame
sdf_schema              Read the Schema of a Spark DataFrame
sdf_sort                Sort a Spark DataFrame
sdf_with_unique_id      Add a Unique ID Column to a Spark DataFrame
spark-api               Access the Spark API
spark-connections       Manage Spark Connections
spark_compilation_spec
                        Define a Spark Compilation Specification
spark_config            Read Spark Configuration
spark_connection        Retrieve the Spark Connection Associated with
                        an R Object
spark_dataframe         Retrieve a Spark DataFrame
spark_default_compilation_spec
                        Default Compilation Specification for Spark
                        Extensions
spark_dependency        Define a Spark dependency
spark_install           Download and install various versions of Spark
spark_jobj              Retrieve a Spark JVM Object Reference
spark_load_table        Load a Spark Table into a Spark DataFrame.
spark_log               View Entries in the Spark Log
spark_read_csv          Read a CSV file into a Spark DataFrame
spark_read_json         Read a JSON file into a Spark DataFrame
spark_read_parquet      Read a Parquet file into a Spark DataFrame
spark_save_table        Saves a Spark DataFrame as a Spark table
spark_version           Get the Spark Version Associated with a Spark
                        Connection
spark_version_from_home
                        Get the Spark Version Associated with a Spark
                        Installation
spark_web               Open the Spark web interface
spark_write_csv         Write a Spark DataFrame to a CSV
spark_write_json        Write a Spark DataFrame to a JSON file
spark_write_parquet     Write a Spark DataFrame to a Parquet file
tbl_cache               Cache a Spark Table
tbl_uncache             Uncache a Spark Table
