Function reference • sparklyr

Spark Operations
`get_spark_sql_catalog_implementation()`	Retrieve the Spark connection's SQL catalog implementation property
`spark_config()`	Read Spark Configuration
`spark_connect()` `spark_connection_is_open()` `spark_disconnect()` `spark_disconnect_all()` `spark_submit()`	Manage Spark Connections
`spark_install()` `spark_uninstall()` `spark_install_dir()` `spark_install_tar()` `spark_installed_versions()` `spark_available_versions()`	Download and install various versions of Spark
`spark_log()`	View Entries in the Spark Log
`spark_web()`	Open the Spark web interface
`connection_is_open()`	Check whether the connection is open
`connection_spark_shinyapp()`	A Shiny app that can be used to construct a `spark_connect` statement
`spark_session_config()`	Runtime configuration interface for the Spark Session
`spark_set_checkpoint_dir()` `spark_get_checkpoint_dir()`	Set/Get Spark checkpoint directory
`spark_table_name()`	Generate a Table Name from Expression
`spark_version_from_home()`	Get the Spark Version Associated with a Spark Installation
`spark_versions()`	Retrieves a dataframe available Spark versions that van be installed.
`spark_config_kubernetes()`	Kubernetes Configuration
`spark_config_settings()`	Retrieve Available Settings
`spark_connection_find()`	Find Spark Connection
`spark_dependency_fallback()`	Fallback to Spark Dependency
`spark_extension()`	Create Spark Extension
`spark_load_table()`	Reads from a Spark Table into a Spark DataFrame.
`list_sparklyr_jars()`	list all sparklyr-*.jar files that have been built
`spark_config_packages()`	Creates Spark Configuration
`spark_connection()`	Retrieve the Spark Connection Associated with an R Object
`spark_adaptive_query_execution()`	Retrieves or sets status of Spark AQE
`spark_advisory_shuffle_partition_size()`	Retrieves or sets advisory size of the shuffle partition
`spark_auto_broadcast_join_threshold()`	Retrieves or sets the auto broadcast join threshold
`spark_coalesce_initial_num_partitions()`	Retrieves or sets initial number of shuffle partitions before coalescing
`spark_coalesce_min_num_partitions()`	Retrieves or sets the minimum number of shuffle partitions after coalescing
`spark_coalesce_shuffle_partitions()`	Retrieves or sets whether coalescing contiguous shuffle partitions is enabled
`spark_connection-class`	spark_connection class
`spark_jobj-class`	spark_jobj class
Spark Data
`spark_read()`	Read file(s) into a Spark DataFrame using a custom reader
`spark_read_avro()`	Read Apache Avro data into a Spark DataFrame.
`spark_read_binary()`	Read binary data into a Spark DataFrame.
`spark_read_csv()`	Read a CSV file into a Spark DataFrame
`spark_read_delta()`	Read from Delta Lake into a Spark DataFrame.
`spark_read_image()`	Read image data 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_orc()`	Read a ORC file 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_write()`	Write Spark DataFrame to file using a custom writer
`spark_write_avro()`	Serialize a Spark DataFrame into Apache Avro format
`spark_write_orc()`	Write a Spark DataFrame to a ORC file
`spark_write_text()`	Write a Spark DataFrame to a Text file
`spark_write_csv()`	Write a Spark DataFrame to a CSV
`spark_write_delta()`	Writes a Spark DataFrame into Delta Lake
`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_rds()`	Write Spark DataFrame to RDS files
`collect_from_rds()`	Collect Spark data serialized in RDS format into R
Spark Tables
`src_databases()`	Show database list
`tbl_cache()`	Cache a Spark Table
`tbl_change_db()`	Use specific database
`tbl_uncache()`	Uncache a Spark Table
Spark DataFrames
`[`(<tbl_spark>)	Subsetting operator for Spark dataframe
`copy_to(<spark_connection>)`	Copy an R Data Frame to Spark
`dplyr_hof`	dplyr wrappers for Apache Spark higher order functions
`sdf_along()`	Create DataFrame for along Object
`sdf_bind_rows()` `sdf_bind_cols()`	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()` `sdf_import()`	Copy an Object into Spark
`sdf_distinct()`	Invoke distinct on a Spark DataFrame
`sdf_drop_duplicates()`	Remove duplicates from a Spark DataFrame
`sdf_expand_grid()`	Create a Spark dataframe containing all combinations of inputs
`sdf_from_avro()`	Convert column(s) from avro format
`sdf_len()`	Create DataFrame for Length
`sdf_num_partitions()`	Gets number of partitions of a Spark DataFrame
`sdf_random_split()` `sdf_partition()`	Partition a Spark Dataframe
`sdf_partition_sizes()`	Compute the number of records within each partition of a Spark DataFrame
`sdf_pivot()`	Pivot a Spark DataFrame
`sdf_predict()` `sdf_transform()` `sdf_fit()` `sdf_fit_and_transform()`	Spark ML -- Transform, fit, and predict methods (sdf_ interface)
`sdf_rbeta()`	Generate random samples from a Beta distribution
`sdf_rbinom()`	Generate random samples from a binomial distribution
`sdf_rcauchy()`	Generate random samples from a Cauchy distribution
`sdf_rchisq()`	Generate random samples from a chi-squared distribution
`sdf_rexp()`	Generate random samples from an exponential distribution
`sdf_rgamma()`	Generate random samples from a Gamma distribution
`sdf_rgeom()`	Generate random samples from a geometric distribution
`sdf_rhyper()`	Generate random samples from a hypergeometric distribution
`sdf_rlnorm()`	Generate random samples from a log normal distribution
`sdf_rnorm()`	Generate random samples from the standard normal distribution
`sdf_rpois()`	Generate random samples from a Poisson distribution
`sdf_rt()`	Generate random samples from a t-distribution
`sdf_runif()`	Generate random samples from the uniform distribution U(0, 1).
`sdf_rweibull()`	Generate random samples from a Weibull distribution.
`sdf_read_column()`	Read a Column from a Spark DataFrame
`sdf_register()`	Register a Spark DataFrame
`sdf_repartition()`	Repartition a Spark DataFrame
`sdf_residuals()`	Model Residuals
`sdf_sample()`	Randomly Sample Rows from 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_to_avro()`	Convert column(s) to avro format
`sdf_with_unique_id()`	Add a Unique ID Column to a Spark DataFrame
`sdf_collect()`	Collect a Spark DataFrame into R.
`sdf_crosstab()`	Cross Tabulation
`sdf_debug_string()`	Debug Info for Spark DataFrame
`sdf_describe()`	Compute summary statistics for columns of a data frame
`sdf_dim()` `sdf_nrow()` `sdf_ncol()`	Support for Dimension Operations
`sdf_is_streaming()`	Spark DataFrame is Streaming
`sdf_last_index()`	Returns the last index of a Spark DataFrame
`sdf_save_table()` `sdf_load_table()` `sdf_save_parquet()` `sdf_load_parquet()`	Save / Load a Spark DataFrame
`sdf_persist()`	Persist a Spark DataFrame
`sdf_project()`	Project features onto principal components
`sdf_quantile()`	Compute (Approximate) Quantiles with a Spark DataFrame
`sdf_schema()`	Read the Schema of a Spark DataFrame
`sdf_sql()`	Spark DataFrame from SQL
`sdf_unnest_longer()`	Unnest longer
`sdf_unnest_wider()`	Unnest wider
`sdf_with_sequential_id()`	Add a Sequential ID Column to a Spark DataFrame
`inner_join(<tbl_spark>)` `left_join(<tbl_spark>)` `right_join(<tbl_spark>)` `full_join(<tbl_spark>)`	Join Spark tbls.
`separate`	Separate
`unite`	Unite
`nest`	Nest
`unnest`	Unnest
`pivot_wider`	Pivot wider
`pivot_longer`	Pivot longer
`fill`	Fill
`left_join`	Left join
`right_join`	Right join
`inner_join`	Inner join
`full_join`	Full join
`hof_aggregate()`	Apply Aggregate Function to Array Column
`hof_array_sort()`	Sorts array using a custom comparator
`hof_exists()`	Determine Whether Some Element Exists in an Array Column
`hof_filter()`	Filter Array Column
`hof_forall()`	Checks whether all elements in an array satisfy a predicate
`hof_map_filter()`	Filters a map
`hof_map_zip_with()`	Merges two maps into one
`hof_transform()`	Transform Array Column
`hof_transform_keys()`	Transforms keys of a map
`hof_transform_values()`	Transforms values of a map
`hof_zip_with()`	Combines 2 Array Columns
`sdf_weighted_sample()`	Perform Weighted Random Sampling on a Spark DataFrame
`transform_sdf()`	transform a subset of column(s) in a Spark Dataframe
Spark Machine Learning
`ml_decision_tree_classifier()` `ml_decision_tree()` `ml_decision_tree_regressor()`	Spark ML -- Decision Trees
`ml_generalized_linear_regression()`	Spark ML -- Generalized Linear Regression
`ml_gbt_classifier()` `ml_gradient_boosted_trees()` `ml_gbt_regressor()`	Spark ML -- Gradient Boosted Trees
`ml_kmeans()` `ml_compute_cost()` `ml_compute_silhouette_measure()`	Spark ML -- K-Means Clustering
`ml_kmeans_cluster_eval`	Evaluate a K-mean clustering
`ml_lda()` `ml_describe_topics()` `ml_log_likelihood()` `ml_log_perplexity()` `ml_topics_matrix()`	Spark ML -- Latent Dirichlet Allocation
`ml_linear_regression()`	Spark ML -- Linear Regression
`ml_logistic_regression()`	Spark ML -- Logistic Regression
`ml_model_data()`	Extracts data associated with a Spark ML model
`ml_multilayer_perceptron_classifier()` `ml_multilayer_perceptron()`	Spark ML -- Multilayer Perceptron
`ml_naive_bayes()`	Spark ML -- Naive-Bayes
`ml_one_vs_rest()`	Spark ML -- OneVsRest
`ft_pca()` `ml_pca()`	Feature Transformation -- PCA (Estimator)
`ml_prefixspan()` `ml_freq_seq_patterns()`	Frequent Pattern Mining -- PrefixSpan
`ml_random_forest_classifier()` `ml_random_forest()` `ml_random_forest_regressor()`	Spark ML -- Random Forest
`ml_aft_survival_regression()` `ml_survival_regression()`	Spark ML -- Survival Regression
`ml_add_stage()`	Add a Stage to a Pipeline
`ml_als()` `ml_recommend()`	Spark ML -- ALS
`ml_approx_nearest_neighbors()` `ml_approx_similarity_join()`	Utility functions for LSH models
`ml_fpgrowth()` `ml_association_rules()` `ml_freq_itemsets()`	Frequent Pattern Mining -- FPGrowth
`ml_binary_classification_evaluator()` `ml_binary_classification_eval()` `ml_multiclass_classification_evaluator()` `ml_classification_eval()` `ml_regression_evaluator()`	Spark ML - Evaluators
`ml_bisecting_kmeans()`	Spark ML -- Bisecting K-Means Clustering
`ml_call_constructor()`	Wrap a Spark ML JVM object
`ml_chisquare_test()`	Chi-square hypothesis testing for categorical data.
`ml_clustering_evaluator()`	Spark ML - Clustering Evaluator
`ml_supervised_pipeline()` `ml_clustering_pipeline()` `ml_construct_model_supervised()` `ml_construct_model_clustering()` `new_ml_model_prediction()` `new_ml_model()` `new_ml_model_classification()` `new_ml_model_regression()` `new_ml_model_clustering()`	Constructors for `ml_model` Objects
`ml_corr()`	Compute correlation matrix
`ml_sub_models()` `ml_validation_metrics()` `ml_cross_validator()` `ml_train_validation_split()`	Spark ML -- Tuning
`ml_default_stop_words()`	Default stop words
`ml_evaluate()`	Evaluate the Model on a Validation Set
`ml_feature_importances()` `ml_tree_feature_importance()`	Spark ML - Feature Importance for Tree Models
`ft_word2vec()` `ml_find_synonyms()`	Feature Transformation -- Word2Vec (Estimator)
`is_ml_transformer()` `is_ml_estimator()` `ml_fit()` `ml_transform()` `ml_fit_and_transform()` `ml_predict()`	Spark ML -- Transform, fit, and predict methods (ml_ interface)
`ml_gaussian_mixture()`	Spark ML -- Gaussian Mixture clustering.
`ml_is_set()` `ml_param_map()` `ml_param()` `ml_params()`	Spark ML -- ML Params
`ml_isotonic_regression()`	Spark ML -- Isotonic Regression
`ft_string_indexer()` `ml_labels()` `ft_string_indexer_model()`	Feature Transformation -- StringIndexer (Estimator)
`ml_linear_svc()`	Spark ML -- LinearSVC
`ml_save()` `ml_load()`	Spark ML -- Model Persistence
`ml_pipeline()`	Spark ML -- Pipelines
`ml_power_iteration()`	Spark ML -- Power Iteration Clustering
`ml_stage()` `ml_stages()`	Spark ML -- Pipeline stage extraction
`ml_standardize_formula()`	Standardize Formula Input for `ml_model`
`ml_summary()`	Spark ML -- Extraction of summary metrics
`ml_uid()`	Spark ML -- UID
`ft_count_vectorizer()` `ml_vocabulary()`	Feature Transformation -- CountVectorizer (Estimator)
Spark Feature Transformers
`ft_binarizer()`	Feature Transformation -- Binarizer (Transformer)
`ft_bucketizer()`	Feature Transformation -- Bucketizer (Transformer)
`ft_count_vectorizer()` `ml_vocabulary()`	Feature Transformation -- CountVectorizer (Estimator)
`ft_dct()` `ft_discrete_cosine_transform()`	Feature Transformation -- Discrete Cosine Transform (DCT) (Transformer)
`ft_elementwise_product()`	Feature Transformation -- ElementwiseProduct (Transformer)
`ft_index_to_string()`	Feature Transformation -- IndexToString (Transformer)
`ft_one_hot_encoder()`	Feature Transformation -- OneHotEncoder (Transformer)
`ft_quantile_discretizer()`	Feature Transformation -- QuantileDiscretizer (Estimator)
`ft_sql_transformer()` `ft_dplyr_transformer()`	Feature Transformation -- SQLTransformer
`ft_string_indexer()` `ml_labels()` `ft_string_indexer_model()`	Feature Transformation -- StringIndexer (Estimator)
`ft_vector_assembler()`	Feature Transformation -- VectorAssembler (Transformer)
`ft_tokenizer()`	Feature Transformation -- Tokenizer (Transformer)
`ft_regex_tokenizer()`	Feature Transformation -- RegexTokenizer (Transformer)
`ft_bucketed_random_projection_lsh()` `ft_minhash_lsh()`	Feature Transformation -- LSH (Estimator)
`ft_chisq_selector()`	Feature Transformation -- ChiSqSelector (Estimator)
`ft_feature_hasher()`	Feature Transformation -- FeatureHasher (Transformer)
`ft_hashing_tf()`	Feature Transformation -- HashingTF (Transformer)
`ft_idf()`	Feature Transformation -- IDF (Estimator)
`ft_imputer()`	Feature Transformation -- Imputer (Estimator)
`ft_interaction()`	Feature Transformation -- Interaction (Transformer)
`ft_max_abs_scaler()`	Feature Transformation -- MaxAbsScaler (Estimator)
`ft_min_max_scaler()`	Feature Transformation -- MinMaxScaler (Estimator)
`ft_ngram()`	Feature Transformation -- NGram (Transformer)
`ft_normalizer()`	Feature Transformation -- Normalizer (Transformer)
`ft_one_hot_encoder_estimator()`	Feature Transformation -- OneHotEncoderEstimator (Estimator)
`ft_pca()` `ml_pca()`	Feature Transformation -- PCA (Estimator)
`ft_polynomial_expansion()`	Feature Transformation -- PolynomialExpansion (Transformer)
`ft_r_formula()`	Feature Transformation -- RFormula (Estimator)
`ft_standard_scaler()`	Feature Transformation -- StandardScaler (Estimator)
`ft_stop_words_remover()`	Feature Transformation -- StopWordsRemover (Transformer)
`ft_vector_indexer()`	Feature Transformation -- VectorIndexer (Estimator)
`ft_vector_slicer()`	Feature Transformation -- VectorSlicer (Transformer)
`ft_word2vec()` `ml_find_synonyms()`	Feature Transformation -- Word2Vec (Estimator)
`ft_robust_scaler()`	Feature Transformation -- RobustScaler (Estimator)
Spark Machine Learning Utilities
`ml_binary_classification_evaluator()` `ml_binary_classification_eval()` `ml_multiclass_classification_evaluator()` `ml_classification_eval()` `ml_regression_evaluator()`	Spark ML - Evaluators
`ml_feature_importances()` `ml_tree_feature_importance()`	Spark ML - Feature Importance for Tree Models
`tidy(<ml_model_als>)` `augment(<ml_model_als>)` `glance(<ml_model_als>)`	Tidying methods for Spark ML ALS
`tidy(<ml_model_generalized_linear_regression>)` `tidy(<ml_model_linear_regression>)` `augment(<ml_model_generalized_linear_regression>)` `augment(<ml_model_linear_regression>)` `glance(<ml_model_generalized_linear_regression>)` `glance(<ml_model_linear_regression>)`	Tidying methods for Spark ML linear models
`tidy(<ml_model_isotonic_regression>)` `augment(<ml_model_isotonic_regression>)` `glance(<ml_model_isotonic_regression>)`	Tidying methods for Spark ML Isotonic Regression
`tidy(<ml_model_lda>)` `augment(<ml_model_lda>)` `glance(<ml_model_lda>)`	Tidying methods for Spark ML LDA models
`tidy(<ml_model_linear_svc>)` `augment(<ml_model_linear_svc>)` `glance(<ml_model_linear_svc>)`	Tidying methods for Spark ML linear svc
`tidy(<ml_model_logistic_regression>)` `augment(<ml_model_logistic_regression>)` `glance(<ml_model_logistic_regression>)`	Tidying methods for Spark ML Logistic Regression
`tidy(<ml_model_multilayer_perceptron_classification>)` `augment(<ml_model_multilayer_perceptron_classification>)` `glance(<ml_model_multilayer_perceptron_classification>)`	Tidying methods for Spark ML MLP
`tidy(<ml_model_naive_bayes>)` `augment(<ml_model_naive_bayes>)` `glance(<ml_model_naive_bayes>)`	Tidying methods for Spark ML Naive Bayes
`tidy(<ml_model_pca>)` `augment(<ml_model_pca>)` `glance(<ml_model_pca>)`	Tidying methods for Spark ML Principal Component Analysis
`tidy(<ml_model_aft_survival_regression>)` `augment(<ml_model_aft_survival_regression>)` `glance(<ml_model_aft_survival_regression>)`	Tidying methods for Spark ML Survival Regression
`tidy(<ml_model_decision_tree_classification>)` `tidy(<ml_model_decision_tree_regression>)` `augment(<ml_model_decision_tree_classification>)` `augment(<ml_model_decision_tree_regression>)` `glance(<ml_model_decision_tree_classification>)` `glance(<ml_model_decision_tree_regression>)` `tidy(<ml_model_random_forest_classification>)` `tidy(<ml_model_random_forest_regression>)` `augment(<ml_model_random_forest_classification>)` `augment(<ml_model_random_forest_regression>)` `glance(<ml_model_random_forest_classification>)` `glance(<ml_model_random_forest_regression>)` `tidy(<ml_model_gbt_classification>)` `tidy(<ml_model_gbt_regression>)` `augment(<ml_model_gbt_classification>)` `augment(<ml_model_gbt_regression>)` `glance(<ml_model_gbt_classification>)` `glance(<ml_model_gbt_regression>)`	Tidying methods for Spark ML tree models
`tidy(<ml_model_kmeans>)` `augment(<ml_model_kmeans>)` `glance(<ml_model_kmeans>)` `tidy(<ml_model_bisecting_kmeans>)` `augment(<ml_model_bisecting_kmeans>)` `glance(<ml_model_bisecting_kmeans>)` `tidy(<ml_model_gaussian_mixture>)` `augment(<ml_model_gaussian_mixture>)` `glance(<ml_model_gaussian_mixture>)`	Tidying methods for Spark ML unsupervised models
Extensions
`compile_package_jars()`	Compile Scala sources into a Java Archive (jar)
`connection_config()`	Read configuration values for a connection
`download_scalac()`	Downloads default Scala Compilers
`find_scalac()`	Discover the Scala Compiler
`spark_context()` `java_context()` `hive_context()` `spark_session()`	Access the Spark API
`hive_context_config()`	Runtime configuration interface for Hive
`invoke()` `invoke_static()` `invoke_new()`	Invoke a Method on a JVM Object
`j_invoke()` `j_invoke_static()` `j_invoke_new()`	Invoke a Java function.
`jarray()`	Instantiate a Java array with a specific element type.
`jfloat()`	Instantiate a Java float type.
`jfloat_array()`	Instantiate an Array[Float].
`register_extension()` `registered_extensions()`	Register a Package that Implements a Spark Extension
`spark_compilation_spec()`	Define a Spark Compilation Specification
`spark_default_compilation_spec()`	Default Compilation Specification for Spark Extensions
`spark_context_config()`	Runtime configuration interface for the Spark Context.
`spark_dataframe()`	Retrieve a Spark DataFrame
`spark_dependency()`	Define a Spark dependency
`spark_home_set()`	Set the SPARK_HOME environment variable
`spark_jobj()`	Retrieve a Spark JVM Object Reference
`spark_version()`	Get the Spark Version Associated with a Spark Connection
Distributed Computing
`spark_apply()`	Apply an R Function in Spark
`spark_apply_bundle()`	Create Bundle for Spark Apply
`spark_apply_log()`	Log Writer for Spark Apply
`registerDoSpark()`	Register a Parallel Backend
Livy
`livy_install()` `livy_available_versions()` `livy_install_dir()` `livy_installed_versions()` `livy_home_dir()`	Install Livy
`livy_config()`	Create a Spark Configuration for Livy
`livy_service_start()` `livy_service_stop()`	Start Livy
Streaming
`stream_find()`	Find Stream
`stream_generate_test()`	Generate Test Stream
`stream_id()`	Spark Stream's Identifier
`stream_lag()`	Apply lag function to columns of a Spark Streaming DataFrame
`stream_name()`	Spark Stream's Name
`stream_read_csv()`	Read CSV Stream
`stream_read_json()`	Read JSON Stream
`stream_read_delta()`	Read Delta Stream
`stream_read_kafka()`	Read Kafka Stream
`stream_read_orc()`	Read ORC Stream
`stream_read_parquet()`	Read Parquet Stream
`stream_read_socket()`	Read Socket Stream
`stream_read_text()`	Read Text Stream
`stream_render()`	Render Stream
`stream_stats()`	Stream Statistics
`stream_stop()`	Stops a Spark Stream
`stream_trigger_continuous()`	Spark Stream Continuous Trigger
`stream_trigger_interval()`	Spark Stream Interval Trigger
`stream_view()`	View Stream
`stream_watermark()`	Watermark Stream
`stream_write_console()`	Write Console Stream
`stream_write_csv()`	Write CSV Stream
`stream_write_delta()`	Write Delta Stream
`stream_write_json()`	Write JSON Stream
`stream_write_kafka()`	Write Kafka Stream
`stream_write_memory()`	Write Memory Stream
`stream_write_orc()`	Write a ORC Stream
`stream_write_parquet()`	Write Parquet Stream
`stream_write_text()`	Write Text Stream
`reactiveSpark()`	Reactive spark reader

Spark Operations

Spark Data

Spark Tables

Spark DataFrames

Spark Machine Learning

Spark Feature Transformers

Spark Machine Learning Utilities

Extensions

Distributed Computing

Livy

Streaming