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Install
install.packages('h2o')
Monthly Downloads
29,705
Version
3.20.0.8
License
Apache License (== 2.0)
Issues
0
Pull Requests
76
Stars
5,824
Forks
1,917
Repository
https://github.com/h2oai/h2o-3
Maintainer
Erin LeDell
Last Published
September 25th, 2018
Functions in h2o (3.20.0.8)
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H2OFrame-class
The H2OFrame class
Ops.H2OFrame
S3 Group Generic Functions for H2O
H2OModelMetrics-class
The H2OModelMetrics Object.
H2ONode-class
The H2ONode class.
as.data.frame.H2OFrame
Converts parsed H2O data into an R data frame
as.factor
Convert H2O Data to Factors
H2OConnection-class
The H2OConnection class.
h2o.anomaly
Anomaly Detection via H2O Deep Learning Model
h2o.any
Given a set of logical vectors, is at least one of the values true?
h2o.centers
Retrieve the Model Centers
h2o.centersSTD
Retrieve the Model Centers STD
Logical-or
Logical or for H2OFrames
h2o.coef_norm
Return coefficients fitted on the standardized data (requires standardize = True, which is on by default). These coefficients can be used to evaluate variable importance.
h2o.coef
Return the coefficients that can be applied to the non-standardized data.
h2o.coxph
Trains a Cox Proportional Hazards Model (CoxPH) on an H2O dataset
h2o.createFrame
Data H2OFrame Creation in H2O
h2o.cummax
Return the cumulative max over a column or across a row
ModelAccessors
Accessor Methods for H2OModel Object
as.numeric
Convert H2O Data to Numeric
as.vector.H2OFrame
Convert an H2OFrame to a vector
generate_col_ind
CHeck to see if the column names/indices entered is valid for the dataframe given. This is an internal function
h2o-package
H2O R Interface
h2o.asnumeric
Convert H2O Data to Numerics
h2o.asfactor
Convert H2O Data to Factors
h2o.clusterStatus
Return the status of the cluster
H2OCoxPHModel-class
The H2OCoxPHModel object.
H2OAutoML-class
The H2OAutoML class
H2OSplitNode-class
The H2OSplitNode class.
H2OTree-class
The H2OTree class.
australia
Australia Coastal Data
colnames
Returns the column names of an H2OFrame
h2o.cluster_sizes
Retrieve the cluster sizes
h2o.connect
Connect to a running H2O instance.
dim.H2OFrame
Returns the Dimensions of an H2OFrame
dimnames.H2OFrame
Column names of an H2OFrame
H2OClusteringModel-class
The H2OClusteringModel object.
aaa
Starting H2O For examples
h2o.cummin
Return the cumulative min over a column or across a row
h2o.dim
Returns the number of rows and columns for an H2OFrame object.
H2OGrid-class
H2O Grid
h2o.dimnames
Column names of an H2OFrame
h2o.filterNACols
Filter NA Columns
H2OLeafNode-class
The H2OLeafNode class.
h2o.anyFactor
Check H2OFrame columns for factors
apply
Apply on H2O Datasets
h2o.findSynonyms
Find synonyms using a word2vec model.
h2o.getAutoML
Get an R object that is a subclass of
'>H2OAutoML
as.character.H2OFrame
Convert an H2OFrame to a String
h2o.cor
Correlation of columns.
h2o.getConnection
Retrieve an H2O Connection
as.h2o
Create H2OFrame
&&
Logical and for H2OFrames
h2o.ddply
Split H2O Dataset, Apply Function, and Return Results
h2o.decryptionSetup
Setup a Decryption Tool
h2o.getTypes
Get the types-per-column
as.matrix.H2OFrame
Convert an H2OFrame to a matrix
h2o.getVersion
Get h2o version
h2o.aic
Retrieve the Akaike information criterion (AIC) value
h2o.all
Given a set of logical vectors, are all of the values true?
h2o.arrange
Sorts an H2O frame by columns
h2o.automl
Automatic Machine Learning
h2o.aggregated_frame
Retrieve an aggregated frame from an Aggregator model
h2o.assign
Rename an H2O object.
h2o.auc
Retrieve the AUC
h2o.aggregator
Build an Aggregated Frame
h2o.centroid_stats
Retrieve centroid statistics
h2o.biases
Return the respective bias vector
h2o.clearLog
Delete All H2O R Logs
h2o.deepwater
Build a Deep Learning model using multiple native GPU backends
H2OCoxPHModelSummary-class
The H2OCoxPHModelSummary object.
h2o.betweenss
Get the between cluster sum of squares
h2o.computeGram
Compute weighted gram matrix.
h2o.confusionMatrix
Access H2O Confusion Matrices
h2o.cross_validation_models
Retrieve the cross-validation models
h2o.colnames
Return column names of an H2OFrame
h2o.columns_by_type
Obtain a list of columns that are specified by `coltype`
h2o.cross_validation_predictions
Retrieve the cross-validation predictions
H2OFrame-Extract
Extract or Replace Parts of an H2OFrame Object
h2o.bottomN
H2O bottomN
h2o.clusterInfo
Print H2O cluster info
h2o.hist
Compute A Histogram
h2o.deepwater.available
Determines whether Deep Water is available
h2o.cumprod
Return the cumulative product over a column or across a row
h2o.cross_validation_holdout_predictions
Retrieve the cross-validation holdout predictions
h2o.cross_validation_fold_assignment
Retrieve the cross-validation fold assignment
h2o.cut
Cut H2O Numeric Data to Factor
h2o.hit_ratio_table
Retrieve the Hit Ratios
h2o.day
Convert Milliseconds to Day of Month in H2O Datasets
h2o.download_pojo
Download the Scoring POJO (Plain Old Java Object) of an H2O Model
h2o.isax
iSAX
h2o.entropy
Shannon entropy
h2o.cumsum
Return the cumulative sum over a column or across a row
h2o.find_row_by_threshold
Find the threshold, give the max metric. No duplicate thresholds allowed
h2o.ischaracter
Check if character
h2o.find_threshold_by_max_metric
Find the threshold, give the max metric
h2o.deepfeatures
Feature Generation via H2O Deep Learning or DeepWater Model
h2o.distance
Compute a pairwise distance measure between all rows of two numeric H2OFrames.
h2o.floor
Take a single numeric argument and return a numeric vector with the largest integers
h2o.deeplearning
Build a Deep Neural Network model using CPUs
h2o.kmeans
Performs k-means clustering on an H2O dataset
h2o.clusterIsUp
Determine if an H2O cluster is up or not
h2o.flow
Open H2O Flow
H2OModel-class
The H2OModel object.
h2o.giniCoef
Retrieve the GINI Coefficcient
h2o.glrm
Generalized low rank decomposition of an H2O data frame
h2o.grep
Search for matches to an argument pattern
h2o.glm
Fit a generalized linear model
h2o.kurtosis
Kurtosis of a column
H2OModelFuture-class
H2O Future Model
h2o.log1p
Compute the log1p of x
h2o.cos
Compute the cosine of x
h2o.abs
Compute the absolute value of x
h2o.log2
Compute the log2 of x
h2o.downloadAllLogs
Download H2O Log Files to Disk
h2o.mktime
Compute msec since the Unix Epoch
h2o.cosh
Compute the hyperbolic cosine of x
h2o.mojo_predict_csv
H2O Prediction from R without having H2O running
h2o.describe
H2O Description of A Dataset
h2o.acos
Compute the arc cosine of x
h2o.exp
Compute the exponential function of x
h2o.mean_per_class_error
Retrieve the mean per class error
h2o.difflag1
Conduct a lag 1 transform on a numeric H2OFrame column
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.
h2o.mean_residual_deviance
Retrieve the Mean Residual Deviance value
h2o.mse
Retrieves Mean Squared Error Value
h2o.randomForest
Build a Random Forest model
h2o.na_omit
Remove Rows With NAs
h2o.as_date
Convert between character representations and objects of Date class
h2o.downloadCSV
Download H2O Data to Disk
h2o.download_mojo
Download the model in MOJO format.
h2o.exportFile
Export an H2O Data Frame (H2OFrame) to a File or to a collection of Files.
h2o.getTimezone
Get the Time Zone on the H2O Cloud Returns a string
h2o.nrow
Return the number of rows present in x.
h2o.range
Returns a vector containing the minimum and maximum of all the given arguments.
h2o.ascharacter
Convert H2O Data to Characters
h2o.gsub
String Global Substitute
h2o.cbind
Combine H2O Datasets by Columns
h2o.init
Initialize and Connect to H2O
h2o.sd
Standard Deviation of a column of data.
h2o.insertMissingValues
Insert Missing Values into an H2OFrame
h2o.ceiling
Take a single numeric argument and return a numeric vector with the smallest integers
h2o.list_all_extensions
List all H2O registered extensions
h2o.list_api_extensions
List registered API extensions
h2o.head
Return the Head or Tail of an H2O Dataset.
h2o.dayOfWeek
Convert Milliseconds to Day of Week in H2O Datasets
h2o.null_deviance
Retrieve the null deviance
h2o.sdev
Retrieve the standard deviations of principal components
h2o.getFrame
Get an R Reference to an H2O Dataset, that will NOT be GC'd by default
h2o.dct
Compute DCT of an H2OFrame
h2o.getFutureModel
Get future model
h2o.pivot
Pivot a frame
h2o.prcomp
Principal component analysis of an H2O data frame
h2o.getGLMFullRegularizationPath
Extract full regularization path from a GLM model
h2o.log
Compute the logarithm of x
h2o.log10
Compute the log10 of x
h2o.removeAll
Remove All Objects on the H2O Cluster
h2o.exportHDFS
Export a Model to HDFS
h2o.removeVecs
Delete Columns from an H2OFrame
h2o.show_progress
Enable Progress Bar
h2o.fillna
fillNA
h2o.getGrid
Get a grid object from H2O distributed K/V store.
h2o.interaction
Categorical Interaction Feature Creation in H2O
h2o.grid
H2O Grid Support
h2o.scale
Scaling and Centering of an H2OFrame
h2o.group_by
Group and Apply by Column
h2o.make_metrics
Create Model Metrics from predicted and actual values in H2O
h2o.shutdown
Shut Down H2O Instance
h2o.is_client
Check Client Mode Connection
h2o.kfold_column
Produce a k-fold column vector.
h2o.gainsLift
Access H2O Gains/Lift Tables
h2o.match
Value Matching in H2O
h2o.mojo_predict_df
H2O Prediction from R without having H2O running
h2o.gbm
Build gradient boosted classification or regression trees
h2o.month
Convert Milliseconds to Months in H2O Datasets
h2o.scoreHistory
Retrieve Model Score History
h2o.signif
Round doubles/floats to the given number of significant digits.
h2o.sum
Compute the frame's sum by-column (or by-row).
h2o.summary
Summarizes the columns of an H2OFrame.
h2o.names
Column names of an H2OFrame
h2o.sin
Compute the sine of x
h2o.killMinus3
Dump the stack into the JVM's stdout.
h2o.nchar
String length
h2o.getModel
Get an R reference to an H2O model
h2o.getId
Get back-end distributed key/value store id from an H2OFrame.
h2o.hour
Convert Milliseconds to Hour of Day in H2O Datasets
h2o.totss
Get the total sum of squares.
h2o.ifelse
H2O Apply Conditional Statement
h2o.list_core_extensions
List registered core extensions
h2o.import_sql_table
Import SQL Table into H2O
h2o.loadModel
Load H2O Model from HDFS or Local Disk
h2o.impute
Basic Imputation of H2O Vectors
h2o.max
Returns the maxima of the input values.
h2o.levels
Return the levels from the column requested column.
h2o.ls
List Keys on an H2O Cluster
h2o.num_valid_substrings
Count of substrings >= 2 chars that are contained in file
h2o.listTimezones
List all of the Time Zones Acceptable by the H2O Cloud.
h2o.svd
Singular value decomposition of an H2O data frame using the power method
h2o.table
Cross Tabulation and Table Creation in H2O
h2o.mean
Compute the frame's mean by-column (or by-row).
h2o.import_sql_select
Import SQL table that is result of SELECT SQL query into H2O
h2o.importFile
Import Files into H2O
h2o.openLog
View H2O R Logs
h2o.metric
H2O Model Metric Accessor Functions
h2o.min
Returns the minima of the input values.
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.
h2o.ncol
Return the number of columns present in x.
h2o.rbind
Combine H2O Datasets by Rows
h2o.topN
H2O topN
h2o.isfactor
Check if factor
h2o.toupper
Convert strings to uppercase
h2o.networkTest
View Network Traffic Speed
h2o.lstrip
Strip set from left
h2o.tot_withinss
Get the total within cluster sum of squares.
h2o.parseRaw
H2O Data Parsing
h2o.mae
Retrieve the Mean Absolute Error Value
h2o.isnumeric
Check if numeric
h2o.residual_dof
Retrieve the residual degrees of freedom
h2o.var
Variance of a column or covariance of columns.
h2o.varimp
Retrieve the variable importance.
h2o.logAndEcho
Log a message on the server-side logs
h2o.withinss
Get the Within SS
h2o.logloss
Retrieve the Log Loss Value
h2o.setLevels
Set Levels of H2O Factor Column
h2o.rm
Delete Objects In H2O
h2o.word2vec
Trains a word2vec model on a String column of an H2O data frame
h2o.setTimezone
Set the Time Zone on the H2O Cloud
h2o.makeGLMModel
Set betas of an existing H2O GLM Model
h2o.sqrt
Compute the square root of x
h2o.which_max
Which indice contains the max value?
h2o.median
H2O Median
h2o.which_min
Which index contains the min value?
h2o.merge
Merge Two H2O Data Frames
h2o.parseSetup
Get a parse setup back for the staged data.
plot.H2OTabulate
Plot an H2O Tabulate Heatmap
names.H2OFrame
Column names of an H2OFrame
predict.H2OAutoML
Predict on an AutoML object
h2o.nlevels
Get the number of factor levels for this frame.
plot.H2OModel
Plot an H2O Model
staged_predict_proba.H2OModel
Predict class probabilities at each stage of an H2O Model
h2o.no_progress
Disable Progress Bar
h2o.nacnt
Count of NAs per column
h2o.prod
Return the product of all the values present in its arguments.
h2o.proj_archetypes
Convert Archetypes to Features from H2O GLRM Model
h2o.stackedEnsemble
Builds a Stacked Ensemble
str.H2OFrame
Display the structure of an H2OFrame object
h2o.sub
String Substitute
h2o.substring
Substring
h2o.partialPlot
Partial Dependence Plots
h2o.target_encode_create
Create Target Encoding Map
h2o.rmse
Retrieves Root Mean Squared Error Value
h2o.toFrame
Convert a word2vec model into an H2OFrame
h2o.varimp_plot
Plot Variable Importances
h2o.rmsle
Retrieve the Root Mean Squared Log Error
h2o.week
Convert Milliseconds to Week of Week Year in H2O Datasets
h2o.xgboost
Build an eXtreme Gradient Boosting model
h2o.performance
Model Performance Metrics in H2O
h2o.relevel
Reorders levels of an H2O factor, similarly to standard R's relevel.
h2o.naiveBayes
Compute naive Bayes probabilities on an H2O dataset.
h2o.reconstruct
Reconstruct Training Data via H2O GLRM Model
h2o.null_dof
Retrieve the null degrees of freedom
h2o.saveModelDetails
Save an H2O Model Details
h2o.saveMojo
Save an H2O Model Object as Mojo to Disk
h2o.xgboost.available
Determines whether an XGBoost model can be built
h2o.skewness
Skewness of a column
is.numeric
Check if numeric
h2o.splitFrame
Split an H2O Data Set
h2o.rep_len
Replicate Elements of Vectors or Lists into H2O
h2o.tokenize
Tokenize String
length,H2OTree-method
Overrides the behavior of length() function on H2OTree class. Returns number of nodes in an
H2OTree
h2o.num_iterations
Retrieve the number of iterations.
h2o.tolower
Convert strings to lowercase
h2o.residual_deviance
Retrieve the residual deviance
h2o.weights
Retrieve the respective weight matrix
h2o.predict_json
H2O Prediction from R without having H2O running
h2o.runif
Produce a Vector of Random Uniform Numbers
h2o.std_coef_plot
Plot Standardized Coefficient Magnitudes
h2o.startLogging
Start Writing H2O R Logs
h2o.saveModel
Save an H2O Model Object to Disk
print.H2OFrame
Print An H2OFrame
h2o.stopLogging
Stop Writing H2O R Logs
h2o.print
Print An H2OFrame
h2o.quantile
Quantiles of H2O Frames.
print.H2OTable
Print method for H2OTable objects
summary,H2OModel-method
Print the Model Summary
use.package
Use optional package
h2o.str
Display the structure of an H2OFrame object
h2o.tabulate
Tabulation between Two Columns of an H2OFrame
h2o.which
Which indices are TRUE?
h2o.r2
Retrieve the R2 value
is.factor
Check if factor
is.h2o
Is H2O Frame object
h2o.tan
Compute the tangent of x
h2o.trunc
Truncate values in x toward 0
prostate
Prostate Cancer Study
h2o.unique
H2O Unique
predict.H2OModel
Predict on an H2O Model
predict_leaf_node_assignment.H2OModel
Predict the Leaf Node Assignment on an H2O Model
range.H2OFrame
Range of an H2O Column
walking
Muscular Actuations for Walking Subject
zzz
Shutdown H2O cloud after examples run
h2o.round
Round doubles/floats to the given number of decimal places.
h2o.rstrip
Strip set from right
h2o.stringdist
Compute element-wise string distances between two H2OFrames
h2o.strsplit
String Split
h2o.tanh
Compute the hyperbolic tangent of x
h2o.target_encode_apply
Apply Target Encoding Map to Frame
h2o.transform
Transform words (or sequences of words) to vectors using a word2vec model.
h2o.trim
Trim Space
h2o.year
Convert Milliseconds to Years in H2O Datasets
housevotes
United States Congressional Voting Records 1984
iris
Edgar Anderson's Iris Data
is.character
Check if character
summary,H2OCoxPHModel-method
Summary method for H2OCoxPHModel objects
summary,H2OGrid-method
Format grid object in user-friendly way