checkpoint_directory    Set/Get Spark checkpoint directory
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
download_scalac         Downloads default Scala Compilers
ensure                  Enforce Specific Structure for R Objects
find_scalac             Discover the Scala Compiler
ft_binarizer            Feature Transformation - Binarizer
                        (Transformer)
ft_bucketizer           Feature Transformation - Bucketizer
                        (Transformer)
ft_chisq_selector       Feature Tranformation - ChiSqSelector
                        (Estimator)
ft_count_vectorizer     Feature Tranformation - CountVectorizer
                        (Estimator)
ft_dct                  Feature Transformation - Discrete Cosine
                        Transform (DCT) (Transformer)
ft_elementwise_product
                        Feature Transformation - ElementwiseProduct
                        (Transformer)
ft_hashing_tf           Feature Transformation - HashingTF
                        (Transformer)
ft_idf                  Feature Tranformation - IDF (Estimator)
ft_imputer              Feature Transformation - Imputer (Estimator)
ft_index_to_string      Feature Transformation - IndexToString
                        (Transformer)
ft_interaction          Feature Transformation - Interaction
                        (Transformer)
ft_lsh                  Feature Tranformation - LSH (Estimator)
ft_lsh_utils            Utility functions for LSH models
ft_max_abs_scaler       Feature Tranformation - MaxAbsScaler
                        (Estimator)
ft_min_max_scaler       Feature Tranformation - MinMaxScaler
                        (Estimator)
ft_ngram                Feature Tranformation - NGram (Transformer)
ft_normalizer           Feature Transformation - Normalizer
                        (Transformer)
ft_one_hot_encoder      Feature Transformation - OneHotEncoder
                        (Transformer)
ft_pca                  Feature Tranformation - PCA (Estimator)
ft_polynomial_expansion
                        Feature Transformation - PolynomialExpansion
                        (Transformer)
ft_quantile_discretizer
                        Feature Transformation - QuantileDiscretizer
                        (Estimator)
ft_r_formula            Feature Tranformation - RFormula (Estimator)
ft_regex_tokenizer      Feature Tranformation - RegexTokenizer
                        (Transformer)
ft_sql_transformer      Feature Transformation - SQLTransformer
ft_standard_scaler      Feature Tranformation - StandardScaler
                        (Estimator)
ft_stop_words_remover   Feature Tranformation - StopWordsRemover
                        (Transformer)
ft_string_indexer       Feature Tranformation - StringIndexer
                        (Estimator)
ft_tokenizer            Feature Tranformation - Tokenizer (Transformer)
ft_vector_assembler     Feature Transformation - VectorAssembler
                        (Transformer)
ft_vector_indexer       Feature Tranformation - VectorIndexer
                        (Estimator)
ft_vector_slicer        Feature Transformation - VectorSlicer
                        (Transformer)
ft_word2vec             Feature Tranformation - Word2Vec (Estimator)
hive_context_config     Runtime configuration interface for Hive
invoke                  Invoke a Method on a JVM Object
livy_config             Create a Spark Configuration for Livy
livy_service_start      Start Livy
ml-params               Spark ML - ML Params
ml-persistence          Spark ML - Model Persistence
ml-transform-methods    Spark ML - Transform, fit, and predict methods
                        (ml_ interface)
ml-tuning               Spark ML - Tuning
ml_aft_survival_regression
                        Spark ML - Survival Regression
ml_als                  Spark ML - ALS
ml_bisecting_kmeans     Spark ML - Bisecting K-Means Clustering
ml_decision_tree_classifier
                        Spark ML - Decision Trees
ml_default_stop_words   Default stop words
ml_evaluate             Spark ML - Evaluate prediction frames with
                        evaluators
ml_evaluator            Spark ML - Evaluators
ml_fpgrowth             Frequent Pattern Mining - FPGrowth
ml_gaussian_mixture     Spark ML - Gaussian Mixture clustering.
ml_gbt_classifier       Spark ML - Gradient Boosted Trees
ml_generalized_linear_regression
                        Spark ML - Generalized Linear Regression
ml_glm_tidiers          Tidying methods for Spark ML linear models
ml_isotonic_regression
                        Spark ML - Isotonic Regression
ml_kmeans               Spark ML - K-Means Clustering
ml_lda                  Spark ML - Latent Dirichlet Allocation
ml_linear_regression    Spark ML - Linear Regression
ml_linear_svc           Spark ML - LinearSVC
ml_logistic_regression
                        Spark ML - Logistic Regression
ml_model_data           Extracts data associated with a Spark ML model
ml_multilayer_perceptron_classifier
                        Spark ML - Multilayer Perceptron
ml_naive_bayes          Spark ML - Naive-Bayes
ml_one_vs_rest          Spark ML - OneVsRest
ml_pipeline             Spark ML - Pipelines
ml_random_forest_classifier
                        Spark ML - Random Forest
ml_stage                Spark ML - Pipeline stage extraction
ml_summary              Spark ML - Extraction of summary metrics
ml_tree_feature_importance
                        Spark ML - Feature Importance for Tree Models
ml_uid                  Spark ML - UID
na.replace              Replace Missing Values in Objects
random_string           Random string generation
register_extension      Register a Package that Implements a Spark
                        Extension
sdf-saveload            Save / Load a Spark DataFrame
sdf-transform-methods   Spark ML - Transform, fit, and predict methods
                        (sdf_ interface)
sdf_along               Create DataFrame for along Object
sdf_bind                Bind multiple Spark DataFrames by row and
                        column
sdf_broadcast           Broadcast hint
sdf_checkpoint          Checkpoint a Spark DataFrame
sdf_coalesce            Coalesces a Spark DataFrame
sdf_copy_to             Copy an Object into Spark
sdf_describe            Compute summary statistics for columns of a
                        data frame
sdf_dim                 Support for Dimension Operations
sdf_last_index          Returns the last index of a Spark DataFrame
sdf_len                 Create DataFrame for Length
sdf_mutate              Mutate a Spark DataFrame
sdf_num_partitions      Gets number of partitions of a Spark DataFrame
sdf_partition           Partition a Spark Dataframe
sdf_persist             Persist a Spark DataFrame
sdf_pivot               Pivot a Spark DataFrame
sdf_project             Project features onto principal components
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_repartition         Repartition a Spark DataFrame
sdf_residuals.ml_model_generalized_linear_regression
                        Model Residuals
sdf_sample              Randomly Sample Rows from a Spark DataFrame
sdf_schema              Read the Schema of a Spark DataFrame
sdf_separate_column     Separate a Vector Column into Scalar Columns
sdf_seq                 Create DataFrame for Range
sdf_sort                Sort a Spark DataFrame
sdf_with_sequential_id
                        Add a Sequential ID Column to 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_apply             Apply an R Function in Spark
spark_apply_bundle      Create Bundle for Spark Apply
spark_apply_log         Log Writer for Spark Apply
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_context_config    Runtime configuration interface for Spark.
spark_dataframe         Retrieve a Spark DataFrame
spark_default_compilation_spec
                        Default Compilation Specification for Spark
                        Extensions
spark_dependency        Define a Spark dependency
spark_home_set          Set the SPARK_HOME environment variable
spark_install_sync      helper function to sync sparkinstall project to
                        sparklyr
spark_jobj              Retrieve a Spark JVM Object Reference
spark_load_table        Reads from 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_jdbc         Read from JDBC connection into a Spark
                        DataFrame.
spark_read_json         Read a JSON file into a Spark DataFrame
spark_read_libsvm       Read libsvm file into a Spark DataFrame.
spark_read_parquet      Read a Parquet file into a Spark DataFrame
spark_read_source       Read from a generic source into a Spark
                        DataFrame.
spark_read_table        Reads from a Spark Table into a Spark
                        DataFrame.
spark_read_text         Read a Text file into a Spark DataFrame
spark_save_table        Saves a Spark DataFrame as a Spark table
spark_table_name        Generate a Table Name from Expression
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_jdbc        Writes a Spark DataFrame into a JDBC table
spark_write_json        Write a Spark DataFrame to a JSON file
spark_write_parquet     Write a Spark DataFrame to a Parquet file
spark_write_source      Writes a Spark DataFrame into a generic source
spark_write_table       Writes a Spark DataFrame into a Spark table
spark_write_text        Write a Spark DataFrame to a Text file
src_databases           Show database list
tbl_cache               Cache a Spark Table
tbl_change_db           Use specific database
tbl_uncache             Uncache a Spark Table
