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h2o (version 3.34.0.3)

R Interface for the 'H2O' Scalable Machine Learning Platform

Description

R interface for 'H2O', the scalable open source machine learning platform that offers parallelized implementations of many supervised and unsupervised machine learning algorithms such as Generalized Linear Models (GLM), Gradient Boosting Machines (including XGBoost), Random Forests, Deep Neural Networks (Deep Learning), Stacked Ensembles, Naive Bayes, Generalized Additive Models (GAM), ANOVA GLM, Cox Proportional Hazards, K-Means, PCA, Maximum R GLM (maxrglm), Word2Vec, as well as a fully automatic machine learning algorithm (H2O AutoML).

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Install

install.packages('h2o')

Monthly Downloads

10,985

Version

3.34.0.3

License

Apache License (== 2.0)

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Repository

https://github.com/h2oai/h2o-3

Maintainer

Erin LeDell

Last Published

October 9th, 2021

Functions in h2o (3.34.0.3)

H2OClusteringModel-class

The H2OClusteringModel object.

H2OConnectionMutableState

The H2OConnectionMutableState class

H2OCoxPHModel-class

The H2OCoxPHModel object.

H2OFrame-Extract

Extract or Replace Parts of an H2OFrame Object

H2OCoxPHModelSummary-class

The H2OCoxPHModelSummary object.

H2OAutoML-class

The H2OAutoML class

H2OConnection-class

The H2OConnection class.

The H2OFrame class

S3 Group Generic Functions for H2O

The H2ONode class.

Australia Coastal Data

The H2OModel object.

as.vector.H2OFrame

Convert an H2OFrame to a vector

H2OLeafNode-class

The H2OLeafNode class.

H2OSplitNode-class

The H2OSplitNode class.

as.character.H2OFrame

Convert an H2OFrame to a String

H2OSegmentModelsFuture-class

H2O Future Segment Models

Apply on H2O Datasets

.check_for_ggplot2

Stop with a user friendly message if a user is missing the ggplot2 package or has an old version of it.

H2OSegmentModels-class

H2O Segment Models

The H2OTree class.

Convert H2O Data to Factors

Create H2OFrame

Returns the column names of an H2OFrame

.consolidate_varimps

Consolidate variable importances

.create_leaderboard

Create a leaderboard like data frame for models

Administrative Endpoints

as.matrix.H2OFrame

Convert an H2OFrame to a matrix

Accessor Methods for H2OModel Object

Returns the Dimensions of an H2OFrame

Logical or for H2OFrames

Import/Export Endpoints

Virtual Keyed class

Starting H2O For examples

.h2o.__DECRYPTION_SETUP

Decryption Endpoints

Convert H2O Data to Numeric

.get_first_of_family

Get first of family models

.get_feature_count

Get feature count sorted by the count descending.

.h2o.__SEGMENT_MODELS_BUILDERS

Segment Models Builder Endpoint Generator

.get_domain_mapping

Get a mapping between columns and their domains

Get the algoritm used by the model_or_model_id

Removal Endpoints

.h2o.__REST_API_VERSION

H2O Package Constants

Has the model variable importance?

.h2o.__W2V_SYNONYMS

Word2Vec Endpoints

Helper Collapse Function

Is the model an H2O model?

.is_h2o_tree_model

Is the model a Tree-based H2O Model?

.h2o.__checkConnectionHealth

Check H2O Server Health

feature_frequencies.H2OModel

Retrieve the number of occurrences of each feature for given observations Available for GBM, Random Forest and Isolation Forest models.

.skip_if_not_developer

H2O <-> R Communication and Utility Methods

generate_col_ind

CHeck to see if the column names/indices entered is valid for the dataframe given. This is an internal function

Is the model considered to be interpretable, i.e., simple enough.

Convert to quantiles when provided with numeric vector. When col is a factor vector assign uniformly value between 0 and 1 to each level.

Logical and for H2OFrames

.h2o.__EXPORT_FILES

Export Files Endpoint Generator

.customized_call

A helper function that makes it easier to override/add params in a function call.

H2OModelFuture-class

H2O Future Model

H2OModelMetrics-class

The H2OModelMetrics Object.

Get variable importance in a standardized way.

.h2o.is_progress

Check if Progress Bar is Enabled

.h2o.__LOGANDECHO

Log and Echo Endpoint

.find_appropriate_column_name

Tries to match a fuzzy_col_name with a column name that exists in cols.

as.data.frame.H2OFrame

Converts parsed H2O data into an R data frame

as.data.frame.H2OSegmentModels

Converts a collection of Segment Models to a data.frame

.h2o.__MODEL_METRICS

Model Metrics Endpoint

.h2o.__MODEL_BUILDERS

Model Builder Endpoint Generator

Just like doRawGET but fills in the default h2oRestApiVersion if none is provided

Inspect/Summary Endpoints

dimnames.H2OFrame

Column names of an H2OFrame

.h2o.__ALL_CAPABILITIES

Capabilities endpoints

TODO: No objects in this file are being used. Either remove file or use objects.

.h2o.__CREATE_FRAME

H2OFrame Manipulation

Build an Aggregated Frame

Retrieve the Akaike information criterion (AIC) value

Get the between cluster sum of squares

.h2o.perfect_auc

Internal function that calculates a precise AUC from given probabilities and actual responses.

Perform a low-level HTTP GET operation on an H2O instance

.h2o.__PARSE_SETUP

Parse Endpoints

Rapids Endpoint

Perform a low-level HTTP POST operation on an H2O instance

Locate a file given the pattern <bucket>/<path/to/file> e.g. h2o:::.h2o.locate("smalldata/iris/iris22.csv") returns the absolute path to iris22.csv

.h2o.primitives

Map of operations known to H2O

Compute the arc cosine of x

Plot variable importances with ggplot2

The H2O Package Environment

Convert between character representations and objects of Date class

Used to verify data, x, y and turn into the appropriate things

Rename an H2O object.

h2o.aggregated_frame

Retrieve an aggregated frame from an Aggregator model

Anomaly Detection via H2O Deep Learning Model

Given a set of logical vectors, are all of the values true?

Min-max normalization.

h2o.HGLMMetrics

Retrieve HGLM ModelMetrics

.is_plotting_to_rnotebook

Check if we are plotting in to r notebook.

.leaderboard_for_row

Enhance leaderboard with per-model predictions.

Delete All H2O R Logs

Compute the hyperbolic cosine of x

Retrieve the AUC

h2o.clusterInfo

Print H2O cluster info

Just like doRawPOST but fills in the default h2oRestApiVersion if none is provided

Trains a Cox Proportional Hazards Model (CoxPH) on an H2O dataset

Perform a safe (i.e. error-checked) HTTP GET request to an H2O cluster.

.h2o.doSafePOST

Perform a safe (i.e. error-checked) HTTP POST request to an H2O cluster.

h2o.ascharacter

Convert H2O Data to Characters

h2o.createFrame

Data H2OFrame Creation in H2O

Take a single numeric argument and return a numeric vector with the smallest integers

Compute the absolute value of x

H2O R Interface

.shorten_model_ids

Shortens model ids if possible (iff there will be same amount of unique model_ids as before)

.process_models_or_automl

Do basic validation and transform object to a "standardized" list containing models, and their properties such as x, y, whether it is a (multinomial) clasification or not etc.

get_seed.H2OModel

Get the seed from H2OModel which was used during training. If a user does not set the seed parameter before training, the seed is autogenerated. It returns seed as the string if the value is bigger than the integer. For example, an autogenerated seed is always long so that the seed in R is a string.

Correlation of columns.

Combine H2O Datasets by Columns

H2O ANOVAGLM is used to calculate Type III SS which is used to evaluate the contributions of individual predictors and their interactions to a model. Predictors or interactions with negligible contributions to the model will have high p-values while those with more contributions will have low p-values.

Given a set of logical vectors, is at least one of the values true?

h2o.cross_validation_fold_assignment

Retrieve the cross-validation fold assignment

Retrieve the Model Centers STD

Return the respective bias vector

h2o.centroid_stats

Retrieve centroid statistics

Convert H2O Data to Factors

h2o.columns_by_type

Obtain a list of columns that are specified by `coltype`

h2o.computeGram

Compute weighted gram matrix.

Convert Milliseconds to Day of Month in H2O Datasets

Return the cumulative sum over a column or across a row

Cut H2O Numeric Data to Factor

Convert H2O Data to Numerics

h2o.deeplearning

Build a Deep Neural Network model using CPUs

Compute the cosine of x

H2O Description of A Dataset

Retrieve the Model Centers

h2o.cluster_sizes

Retrieve the cluster sizes

Split H2O Dataset, Apply Function, and Return Results

h2o.getConnection

Retrieve an H2O Connection

h2o.filterNACols

Filter NA Columns

Compute DCT of an H2OFrame

h2o.getAlphaBest

Extract best alpha value found from glm model.

Return coefficients fitted on the standardized data (requires standardize = True, which is on by default). These coefficients can be used to evaluate variable importance.

Return column names of an H2OFrame

Return the coefficients that can be applied to the non-standardized data.

Convert Milliseconds to Day of Week in H2O Datasets

h2o.cross_validation_predictions

Retrieve the cross-validation predictions

h2o.drop_duplicates

Drops duplicated rows.

Export a Model to HDFS

h2o.find_threshold_by_max_metric

Find the threshold, give the max metric

Export an H2O Data Frame (H2OFrame) to a File or to a collection of Files.

h2o.download_pojo

Download the Scoring POJO (Plain Old Java Object) of an H2O Model

h2o.cross_validation_models

Retrieve the cross-validation models

Returns the number of rows and columns for an H2OFrame object.

h2o.cross_validation_holdout_predictions

Retrieve the cross-validation holdout predictions

Conduct a lag 1 transform on a numeric H2OFrame column

h2o.downloadAllLogs

Download H2O Log Files to Disk

Column names of an H2OFrame

h2o.getTimezone

Get the Time Zone on the H2O cluster Returns a string

h2o.getModelTree

Fetchces a single tree of a H2O model. This function is intended to be used on Gradient Boosting Machine models or Distributed Random Forest models.

Calculates Friedman and Popescu's H statistics, in order to test for the presence of an interaction between specified variables in h2o gbm and xgb models. H varies from 0 to 1. It will have a value of 0 if the model exhibits no interaction between specified variables and a correspondingly larger value for a stronger interaction effect between them. NaN is returned if a computation is spoiled by weak main effects and rounding errors.

h2o.get_leaderboard

Retrieve the leaderboard from the AutoML instance.

h2o.get_ntrees_actual

Retrieve actual number of trees for tree algorithms

Check H2OFrame columns for factors

Retrieve the AUCPR (Area Under Precision Recall Curve)

Sorts an H2O frame by columns

Automatic Machine Learning

h2o.clusterIsUp

Determine if an H2O cluster is up or not

h2o.clusterStatus

Return the status of the cluster

h2o.confusionMatrix

Access H2O Confusion Matrices

Connect to a running H2O instance.

Return the Head or Tail of an H2O Dataset.

h2o.extendedIsolationForest

Trains an Extended Isolation Forest model

Get an R Reference to an H2O Dataset, that will NOT be GC'd by default

h2o.feature_interaction

Feature interactions and importance, leaf statistics and split value histograms in a tabular form. Available for XGBoost and GBM.

Compute a pairwise distance measure between all rows of two numeric H2OFrames.

h2o.getGLMFullRegularizationPath

Extract full regularization path from a GLM model

Take a single numeric argument and return a numeric vector with the largest integers

Shannon entropy

Compute the exponential function of x

Return the cumulative max over a column or across a row

Check if factor

h2o.ischaracter

Check if character

Return the cumulative min over a column or across a row

h2o.getLambdaMax

Extract the maximum lambda value used during lambda search from glm model.

h2o.get_best_model

Get best model of a given family/algorithm for a given criterion from an AutoML object.

h2o.getLambdaBest

Extract best lambda value found from glm model.

Get an R object that is a subclass of '>H2OAutoML

h2o.learning_curve_plot

Learning Curve Plot

Loads previously saved grid with all it's models from the same folder

Return the levels from the column requested column.

Retrieve the GINI Coefficcient

Return the cumulative product over a column or across a row

h2o.decryptionSetup

Setup a Decryption Tool

Load H2O Model from HDFS or Local Disk

String Global Substitute

h2o.get_segment_models

Retrieves an instance of '>H2OSegmentModels for a given id.

Group and Apply by Column

Compute A Histogram

Retrieve the Log Loss Value

h2o.import_mojo

Imports a MOJO under given path, creating a Generic model with it.

h2o.import_hive_table

Import Hive Table into H2O

Compute the log2 of x

h2o.insertMissingValues

Insert Missing Values into an H2OFrame

Dump the stack into the JVM's stdout.

Performs k-means clustering on an H2O dataset

Log a message on the server-side logs

h2o.interaction

Categorical Interaction Feature Creation in H2O

h2o.hit_ratio_table

Retrieve the Hit Ratios

Basic Imputation of H2O Vectors

Check Client Mode Connection

Initialize and Connect to H2O

h2o.makeGLMModel

Set betas of an existing H2O GLM Model

h2o.import_sql_select

Import SQL table that is result of SELECT SQL query into H2O

Fit a generalized linear model

Generalized low rank decomposition of an H2O data frame

Access H2O Gains/Lift Tables

h2o.download_mojo

Download the model in MOJO format.

h2o.explain_row

Generate Model Explanations for a single row

h2o.deepfeatures

Feature Generation via H2O Deep Learning

Generate Model Explanations

h2o.download_model

Download the model in binary format. The owner of the file saved is the user by which python session was executed.

h2o.downloadCSV

Download H2O Data to Disk

Imports a generic model into H2O. Such model can be used then used for scoring and obtaining additional information about the model. The imported model has to be supported by H2O.

h2o.make_metrics

Create Model Metrics from predicted and actual values in H2O

List Keys on an H2O Cluster

Merge Two H2O Data Frames

h2o.find_row_by_threshold

Find the threshold, give the max metric. No duplicate thresholds allowed

h2o.findSynonyms

Find synonyms using a word2vec model.

Get a grid object from H2O distributed K/V store.

Fit a General Additive Model

Get the types-per-column

Get back-end distributed key/value store id from an H2OFrame.

Get h2o version

Build gradient boosted classification or regression trees

Converts a frame to key-value representation while optionally skipping NA values. Inverse operation to h2o.pivot.

h2o.list_api_extensions

List registered API extensions

h2o.import_sql_table

Import SQL Table into H2O

h2o.getLambdaMin

Extract the minimum lambda value calculated during lambda search from glm model. Note that due to early stop, this minimum lambda value may not be used in the actual lambda search.

h2o.genericModel

Imports a model under given path, creating a Generic model with it.

Get an R reference to an H2O model

h2o.get_best_r2_values

Extracts the best R2 values for all predictor subset size.

h2o.get_best_model_predictors

Extracts the subset of predictor names that yield the best R2 value for each predictor subset size.

H2O Apply Conditional Statement

Check if numeric

Import Files into H2O

h2o.isolationForest

Trains an Isolation Forest model

Search for matches to an argument pattern

Column names of an H2OFrame

Compute naive Bayes probabilities on an H2O dataset.

Plot Individual Conditional Expectation (ICE) for each decile

H2O Grid Support

Convert Milliseconds to Hour of Day in H2O Datasets

H2O MaxRGLM is used to build test best model with one predictor, two predictors, ... up to max_predictor_number specified in the algorithm parameters. The best model is the one with the highest R2 value.

Load frame previously stored in H2O's native format.

Value Matching in H2O

Compute the logarithm of x

h2o.list_core_extensions

List registered core extensions

h2o.null_deviance

Retrieve the null deviance

Returns the maxima of the input values.

h2o.multinomial_auc_table

Retrieve the all AUC values in a table (One to Rest, One to One, macro and weighted average) for mutlinomial classification.

Compute the frame's mean by-column (or by-row).

H2O Model Metric Accessor Functions

Remove Rows With NAs

Count of NAs per column

Retrieve the null degrees of freedom

h2o.partialPlot

Partial Dependence Plots

h2o.residual_dof

Retrieve the residual degrees of freedom

Get a parse setup back for the staged data.

h2o.listTimezones

List all of the Time Zones Acceptable by the H2O cluster.

Return list of jobs performed by the H2O cluster

h2o.list_all_extensions

List all H2O registered extensions

h2o.multinomial_aucpr_table

Retrieve the all PR AUC values in a table (One to Rest, One to One, macro and weighted average) for mutlinomial classification.

h2o.mean_per_class_error

Retrieve the mean per class error

Return the number of columns present in x.

h2o.num_iterations

Retrieve the number of iterations.

h2o.mean_residual_deviance

Retrieve the Mean Residual Deviance value

h2o.num_valid_substrings

Count of substrings >= 2 chars that are contained in file

h2o.performance

Model Performance Metrics in H2O

Method on Keyed objects allowing to obtain their key.

h2o.kfold_column

Produce a k-fold column vector.

h2o.list_models

Get an list of all model ids present in the cluster

Returns the minima of the input values.

Return the number of rows present in x.

h2o.permutation_importance_plot

Plot Permutation Variable Importances.

h2o.no_progress

Disable Progress Bar

Extract and return ANOVA Table as an H2OFrame

h2o.predict_json

H2O Prediction from R without having H2O running

Execute a Rapids expression.

Print An H2OFrame

h2o.permutation_importance

Calculate Permutation Feature Importance.

h2o.kolmogorov_smirnov

Kolmogorov-Smirnov metric for binomial models

Compute msec since the Unix Epoch

Convert Milliseconds to Months in H2O Datasets

h2o.reconstruct

Reconstruct Training Data via H2O GLRM Model

Return the product of all the values present in its arguments.

Retrieves Mean Squared Error Value

h2o.proj_archetypes

Convert Archetypes to Features from H2O GLRM Model

Quantiles of H2O Frames.

Trains a Support Vector Machine model on an H2O dataset

View H2O R Logs

H2O Data Parsing

Combine H2O Datasets by Rows

Produce a Vector of Random Uniform Numbers

Saves an existing Grid of models into a given folder.

Retrieves Root Mean Squared Error Value

Delete Objects In H2O

Save an H2O Model Object as Mojo to Disk

h2o.std_coef_plot

Plot Standardized Coefficient Magnitudes

Deprecated - use h2o.save_mojo instead. Save an H2O Model Object as Mojo to Disk

Retrieve the Root Mean Squared Log Error

Round doubles/floats to the given number of decimal places.

h2o.stopLogging

Stop Writing H2O R Logs

Reorders levels of an H2O factor, similarly to standard R's relevel.

Store frame data in H2O's native format.

Kurtosis of a column

h2o.targetencoder

Transformation of a categorical variable with a mean value of the target variable

Compute the log10 of x

Principal component analysis of an H2O data frame

Delete Columns from an H2OFrame

Resume previously stopped grid training.

h2o.saveModelDetails

Save an H2O Model Details

Triggers auto-recovery resume - this will look into configured recovery dir and resume and tasks that were interrupted by unexpected cluster stopping.

Remove All Objects on the H2O Cluster

Save an H2O Model Object to Disk

Predict on an H2O Model

Computes TF-IDF values for each word in given documents.

h2o.set_s3_credentials

Creates a new Amazon S3 client internally with specified credentials.

h2o.save_to_hive

Save contents of this data frame into a Hive table

Set Levels of H2O Factor Column

h2o.model_correlation

Model Prediction Correlation

Strip set from left

Compute the log1p of x

Retrieve the Mean Absolute Error Value

h2o.shap_explain_row_plot

SHAP Local Explanation

Shut Down H2O Instance

Round doubles/floats to the given number of significant digits.

Cross Tabulation and Table Creation in H2O

h2o.setTimezone

Set the Time Zone on the H2O cluster

Use H2O Transformation model and apply the underlying transformation

h2o.shap_summary_plot

SHAP Summary Plot

h2o.tot_withinss

Get the total within cluster sum of squares.

Tabulation between Two Columns of an H2OFrame

h2o.model_correlation_heatmap

Model Prediction Correlation Heatmap

h2o.mojo_predict_df

H2O Prediction from R without having H2O running

h2o.mojo_predict_csv

H2O Prediction from R without having H2O running

Replicate Elements of Vectors or Lists into H2O

h2o.residual_analysis_plot

Residual Analysis

Strip set from right

h2o.reset_threshold

Reset model threshold and return old threshold value.

h2o.residual_deviance

Retrieve the residual deviance

Build a RuleFit Model

h2o.show_progress

Enable Progress Bar

Scaling and Centering of an H2OFrame

h2o.networkTest

View Network Traffic Speed

h2o.transform_word2vec

Transform words (or sequences of words) to vectors using a word2vec model.

Display the structure of an H2OFrame object

Get the Within SS

h2o.varimp,H2OAutoML-method

Retrieve the variable importance.

h2o.varimp,H2OFrame-method

Retrieve the variable importance.

Get the total sum of squares.

Compute element-wise string distances between two H2OFrames

Compute the tangent of x

Compute the hyperbolic tangent of x

h2o.scoreHistoryGAM

Retrieve GLM Model Score History buried in GAM model

h2o.train_segments

H2O Segmented-Data Bulk Model Training

Convert strings to uppercase

h2o.upload_mojo

Imports a MOJO from a local filesystem, creating a Generic model with it.

Compute the sine of x

Compute the frame's sum by-column (or by-row).

length,H2OTree-method

Overrides the behavior of length() function on H2OTree class. Returns number of nodes in an H2OTree

Skewness of a column

Get the number of factor levels for this frame.

h2o.upload_model

Upload a binary model from the provided local path to the H2O cluster. (H2O model can be saved in a binary form either by saveModel() or by download_model() function.)

Trains a word2vec model on a String column of an H2O data frame

Retrieve the respective weight matrix

predict.H2OModel

Predict on an H2O Model

summary,H2OModel-method

Print the Model Summary

predict.H2OAutoML

Predict on an AutoML object

summary,H2OGrid-method

Format grid object in user-friendly way

plot.H2OTabulate

Plot an H2O Tabulate Heatmap

Convert strings to lowercase

h2o.target_encode_apply

Apply Target Encoding Map to Frame

h2o.target_encode_create

Create Target Encoding Map

Split an H2O Data Set

h2o.scoreHistory

Retrieve Model Score History

Variance of a column or covariance of columns.

Plot partial dependence for a variable

h2o.pd_multi_plot

Plot partial dependencies for a variable across multiple models

Retrieve the R2 value

h2o.randomForest

Build a Random Forest model

Returns a vector containing the minimum and maximum of all the given arguments.

h2o.rank_within_group_by

This function will add a new column rank where the ranking is produced as follows: 1. sorts the H2OFrame by columns sorted in by columns specified in group_by_cols and sort_cols in the directions specified by the ascending for the sort_cols. The sort directions for the group_by_cols are ascending only. 2. A new rank column is added to the frame which will contain a rank assignment performed next. The user can choose to assign a name to this new column. The default name is New_Rank_column. 3. For each groupby groups, a rank is assigned to the row starting from 1, 2, ... to the end of that group. 4. If sort_cols_sorted is TRUE, a final sort on the frame will be performed frame according to the sort_cols and the sort directions in ascending. If sort_cols_sorted is FALSE (by default), the frame from step 3 will be returned as is with no extra sort. This may provide a small speedup if desired.

Standard Deviation of a column of data.

Compute the square root of x

h2o.varimp_heatmap

Variable Importance Heatmap across multiple models

Edgar Anderson's Iris Data

h2o.varimp_plot

Plot Variable Importances

Check if character

Retrieve the standard deviations of principal components

Check if numeric

Which indices are TRUE?

Convert Milliseconds to Years in H2O Datasets

String Substitute

Convert a word2vec model into an H2OFrame

Singular value decomposition of an H2O data frame using the power method

h2o.startLogging

Start Writing H2O R Logs

h2o.transform,H2OTargetEncoderModel-method

Applies target encoding to a given dataset

h2o.transform,H2OWordEmbeddingModel-method

Transform words (or sequences of words) to vectors using a word2vec model.

Summarizes the columns of an H2OFrame.

h2o.stackedEnsemble

Builds a Stacked Ensemble

United States Congressional Voting Records 1984

Truncate values in x toward 0

summary,H2OCoxPHModel-method

Summary method for H2OCoxPHModel objects

h2o.xgboost.available

Determines whether an XGBoost model can be built

Print method for H2OTable objects

Convert Milliseconds to Week of Week Year in H2O Datasets

summary,H2OAutoML-method

Format AutoML object in user-friendly way

Retrieve per-variable split information for a given Isolation Forest model. Output will include: - count - The number of times a variable was used to make a split. - aggregated_split_ratios - The split ratio is defined as "abs(#left_observations - #right_observations) / #before_split". Even splits (#left_observations approx the same as #right_observations) contribute less to the total aggregated split ratio value for the given feature; highly imbalanced splits (eg. #left_observations >> #right_observations) contribute more. - aggregated_split_depths - The sum of all depths of a variable used to make a split. (If a variable is used on level N of a tree, then it contributes with N to the total aggregate.)

Print An H2OFrame

Build an eXtreme Gradient Boosting model

h2o.varimp,H2OModel-method

Retrieve the variable importance.

Which indice contains the max value?

Tokenize String

Retrieve the variable importance.

model_cache-class

Needed to be able to memoise the models

Use optional package

Column names of an H2OFrame

Display the structure of an H2OFrame object

Which index contains the min value?

predict_leaf_node_assignment.H2OModel

Predict the Leaf Node Assignment on an H2O Model

Is H2O Frame object

Check if factor

staged_predict_proba.H2OModel

Predict class probabilities at each stage of an H2O Model

predict_contributions.H2OModel

Predict feature contributions - SHAP values on an H2O Model (only DRF, GBM, XGBoost models and equivalent imported MOJOs).

Plot an H2O Model

Range of an H2O Column

Prostate Cancer Study

Scaling and Centering of an H2OFrame

show,H2OAutoML-method

Format AutoML object in user-friendly way

with_no_h2o_progress

Suppresses h2o progress output from expr

Muscular Actuations for Walking Subject

Shutdown H2O cluster after examples run