The “h2o.colnames” Function in R

• Package: h2o

• Purpose: To retrieve the column names of an H2O data frame.

• General Class: Data Retrieval

• Required Argument(s):

• x: H2OFrame. The H2O data frame for which column names are retrieved.

• Notable Optional Arguments:

• None

• Example (with Explanation):

• # Load necessary package
  library(h2o)
  
  # Initialize H2O
  h2o.init()
  
  # Load a sample dataset
  data <- h2o.importFile("https://s3.amazonaws.com/h2o-public-test-data/smalldata/iris/iris_wheader.csv")
  
  # Retrieve column names of the dataset
  column_names <- h2o.colnames(data)
  
  # Print the column names
  print(column_names)

• In this example, the h2o.colnames function from the h2o package is used to retrieve the column names of the iris dataset loaded into an H2O data frame. The retrieved column names are then printed.