Starting H2O For examples
R data.frame -> H2OFrame
Convert H2O Data to Numeric
Convert an H2OFrame to a matrix
Convert an H2OFrame to a vector
Convert H2O Data to Factors
Apply on H2O Datasets
Converts parsed H2O data into an R data frame
Logical and for H2OFrames
Convert an H2OFrame to a String
Rename an H2O object.
Check H2OFrame columns for factors
H2O R Interface
Returns the Dimensions of an H2OFrame
Column names of an H2OFrame
Anomaly Detection via H2O Deep Learning Model
Retrieve the AUC
Retrieve the AIC.
If "train", "valid", and "xval" parameters are FALSE (default), then the training AIC value is returned. If more
than one parameter is set to TRUE, then a named vector of AICs are returned, where the names are "train", "valid"
or "xval".
Australia Coastal Data
Returns the column names of an H2OFrame
Retrieve the centroid statistics
If "train", "valid", and "xval" parameters are FALSE (default), then the training centroid stats value is returned. If more
than one parameter is set to TRUE, then a named list of centroid stats data frames are returned, where the names are "train", "valid"
or "xval".
Delete All H2O R Logs
Print H2O cluster info
Retrieve the cluster sizes
If "train", "valid", and "xval" parameters are FALSE (default), then the training cluster sizes value is returned. If more
than one parameter is set to TRUE, then a named list of cluster size vectors are returned, where the names are "train", "valid"
or "xval".
Determine if an H2O cluster is up or not
Combine H2O Datasets by Columns
Return the respective bias vector
Get the between cluster sum of squares.
If "train", "valid", and "xval" parameters are FALSE (default), then the training betweenss value is returned. If more
than one parameter is set to TRUE, then a named vector of betweenss' are returned, where the names are "train", "valid"
or "xval".
Retrieve the Model Centers STD
Retrieve the Model Centers
h2o.cross_validation_holdout_predictions
Retrieve the cross-validation holdout predictions
Access H2O Confusion Matrices
Retrieve the normalized coefficients
Return the status of the cluster
h2o.cross_validation_models
Retrieve the cross-validation models
h2o.cross_validation_fold_assignment
Retrieve the cross-validation fold assignment
h2o.cross_validation_predictions
Retrieve the cross-validation predictions
Retrieve the model coefficeints
Correlation of columns.
Data H2OFrame Creation in H2O
Download H2O Log Files to Disk
Download the Scoring POJO (Plain Old Java Object) of an H2O Model
Feature Generation via H2O Deep Learning Model
Split H2O Dataset, Apply Function, and Return Results
Build a Deep Neural Network
Convert Milliseconds to Day of Month in H2O Datasets
H2O Description of A Dataset
Cut H2O Numeric Data to Factor
Compute DCT of an H2OFrame
Convert Milliseconds to Day of Week in H2O Datasets
Gradient Boosted Machines
Access H2O Gains/Lift Tables
h2o.find_threshold_by_max_metric
Find the threshold, give the max metric
Export a Model to HDFS
Filter NA Columns
Download H2O Data to Disk
Shannon entropy
Export an H2O Data Frame (H2OFrame) to a File
h2o.getGLMFullRegularizationPath
Extract full regularization path from glm model (assuming it was run with lambda search option)
h2o.find_row_by_threshold
Find the threshold, give the max metric. No duplicate thresholds allowed
Get a grid object from H2O distributed K/V store.
Initialize and Connect to H2O
Basic Imputation of H2O Vectors
H2O Apply Conditional Statement
Import SQL table that is result of SELECT SQL query into H2O
Retrieve the Log Loss Value
List Keys on an H2O Cluster
Group and Apply by Column
Get back-end distributed key/value store id from an H2OFrame.
H2O Model Metric Accessor Functions
String Global Substitute
Dump the stack into the JVM's stdout.
Return the levels from the column requested column.
KMeans Model in H2O
List all of the Time Zones Acceptable by the H2O Cloud.
Get the number of factor levels for this frame.
Disable Progress Bar
H2O Median
Merge Two H2O Data Frames
Quantiles of H2O Frames.
Save an H2O Model Object to Disk
Round doubles/floats to the given number of significant digits.
Produce a Vector of Random Uniform Numbers
Get the total within cluster sum of squares.
If "train", "valid", and "xval" parameters are FALSE (default), then the training tot_withinss value is returned. If more
than one parameter is set to TRUE, then a named vector of tot_withinss' are returned, where the names are "train", "valid"
or "xval".
Split an H2O Data Set
Get an R Reference to an H2O Dataset, that will NOT be GC'd by default
Retrieve an H2O Connection
Get the total sum of squares.
If "train", "valid", and "xval" parameters are FALSE (default), then the training totss value is returned. If more
than one parameter is set to TRUE, then a named vector of totss' are returned, where the names are "train", "valid"
or "xval".
Get future model
Return the Head or Tail of an H2O Dataset.
Categorical Interaction Feature Creation in H2O
Compute A Histogram
Inserting Missing Values to an H2O DataH2OFrame
Count of NAs per column
Log a message on the server-side logs
Load H2O Model from HDFS or Local Disk
Naive Bayes Model in H2O
Get an R reference to an H2O model
Retrieve the R2 value
Compute msec since the Unix Epoch
H2O Future Model
Plot an H2O Tabulate Heatmap
Logical or for H2OFrames
Check if numeric
The H2OModelMetrics Object.
predict_leaf_node_assignment.H2OModel
Predict the Leaf Node Assignment on an H2O Model
Convert Milliseconds to Hour of Day in H2O Datasets
Get the types-per-column
Retrieve the Hit Ratios
If "train", "valid", and "xval" parameters are FALSE (default), then the training Hit Ratios value is returned. If more
than one parameter is set to TRUE, then a named list of Hit Ratio tables are returned, where the names are "train", "valid"
or "xval".
Get the Time Zone on the H2O Cloud
Returns a string
Import SQL Table into H2O
Import Files into H2O
Retrieves Mean Squared Error Value
Convert Milliseconds to Months in H2O Datasets
Principal Components Analysis
Convert Archetypes to Features from H2O GLRM Model
Set Levels of H2O Factor Column
String Split
String Substitute
Set the Time Zone on the H2O Cloud
Get the Within SS
H2O Data Parsing
View H2O R Logs
Prostate Cancer Study
Print method for H2OTable objects
Replicate Elements of Vectors or Lists into H2O
Start Writing H2O R Logs
Retrieve the residual deviance
If "train", "valid", and "xval" parameters are FALSE (default), then the training residual deviance value is returned. If more
than one parameter is set to TRUE, then a named vector of residual deviances are returned, where the names are "train", "valid"
or "xval".
Stop Writing H2O R Logs
Convert Milliseconds to Years in H2O Datasets
Retrieve the number of iterations.
Count of substrings >= 2 chars that are contained in file
Model Performance Metrics in H2O
Get a parse setup back for the staged data.
Retrieve the residual degrees of freedom
If "train", "valid", and "xval" parameters are FALSE (default), then the training residual degrees of freedom value is returned. If more
than one parameter is set to TRUE, then a named vector of residual degrees of freedom are returned, where the names are "train", "valid"
or "xval".
Retrieve Model Score History
Scaling and Centering of an H2OFrame
Delete Objects In H2O
Get h2o version
Retrieve the GINI Coefficcient
Produce a k-fold column vector.
Check Client Mode Connection
h2o.mean_residual_deviance
Retrieve the Mean Residual Deviance value
Set betas of an existing H2O GLM Model
Strip set from left
View Network Traffic Speed
Mean of a column
String length
Generalized Low Rank Model
H2O Grid Support
Value Matching in H2O
Retrieve the mean per class error
Retrieve the null deviance
If "train", "valid", and "xval" parameters are FALSE (default), then the training null deviance value is returned. If more
than one parameter is set to TRUE, then a named vector of null deviances are returned, where the names are "train", "valid"
or "xval".
Reconstruct Training Data via H2O GLRM Model
Retrieve the null degrees of freedom
If "train", "valid", and "xval" parameters are FALSE (default), then the training null degrees of freedom value is returned. If more
than one parameter is set to TRUE, then a named vector of null degrees of freedom are returned, where the names are "train", "valid"
or "xval".
Reorders levels of an H2O factor, similarly to standard R's relevel.
Strip set from right
Round doubles/floats to the given number of decimal places.
Singular Value Decomposition
Cross Tabulation and Table Creation in H2O
Retrieve the variable importance.
Check if character
Check if factor
Format grid object in user-friendly way
Print the Model Summary
Trim Space
To Upper
Convert Milliseconds to Week of Week Year in H2O Datasets
Extract or Replace Parts of an H2OFrame Object
S3 Group Generic Functions for H2O
Predict on an H2O Model
Combine H2O Datasets by Rows
Remove Rows With NAs
Accessor Methods for H2OModel Object
Build a Big Data Random Forest Model
Enable Progress Bar
Remove All Objects on the H2O Cluster
Delete Columns from an H2OFrame
Tabulation between Two Columns of an H2OFrame
Standard Deviation of a column of data.
H2O Unique
Summarizes the columns of an H2OFrame.
Retrieve the standard deviations of principal components
The H2OConnection class.
The H2OClusteringModel object.
Variance of a column or covariance of columns.
Substring
Shut Down H2O Instance
Column names of an H2OFrame
Plot an H2O Model
Print An H2OFrame
Shutdown H2O cloud after examples run
Muscular Actuations for Walking Subject
To Lower
Which indices are TRUE?
Retrieve the respective weight matrix
H2O Grid
The H2OModel object.
United States Congressional Voting Records 1984
Edgar Anderson's Iris Data
Range of an H2O Column
Display the structure of an H2OFrame object