h2o (version 3.8.3.3)

h2o.getGrid: Get a grid object from H2O distributed K/V store.

Description

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

Usage

h2o.getGrid(grid_id, sort_by, decreasing)

Arguments

grid_id

ID of existing grid object to fetch

sort_by

Sort the models in the grid space by a metric. Choices are "logloss", "residual_deviance", "mse", "auc", "r2", "accuracy", "precision", "recall", "f1", etc.

decreasing

Specify whether sort order should be decreasing

Examples

library(h2o)
library(jsonlite)
h2o.init()
iris.hex <- as.h2o(iris)
h2o.grid("gbm", grid_id = "gbm_grid_id", x = c(1:4), y = 5,
         training_frame = iris.hex, hyper_params = list(ntrees = c(1,2,3)))
grid <- h2o.getGrid("gbm_grid_id")
# Get grid summary
summary(grid)
# Fetch grid models
model_ids <- grid@model_ids
models <- lapply(model_ids, function(id) { h2o.getModel(id)})