engines {fetch}

A list of engine types

Description

The engines enumeration contains all possible options for the "engine" parameter of the catalog function. Use this enumeration to specify what kind of data you would like to load. Options are: csv, dbf, rda, rds, rdata, sas7bdat, xls, xlsx, and xpt.

Usage

engines

Format

An object of class etype of length 9.

Value

The engine parameter string.

See Also

The engines enumeration is used on the catalog function. See that function documentation for additional details.

Examples

#' # Get data directory
pkg <- system.file("extdata", package = "fetch")

# Create catalog
ct <- catalog(pkg, engines$csv)

# Example 1: Catalog all rows

# View catalog
ct
# data catalog: 6 items
# - Source: C:/packages/fetch/inst/extdata
# - Engine: csv
# - Items:
  # data item 'ADAE': 56 cols 150 rows
  # data item 'ADEX': 17 cols 348 rows
  # data item 'ADPR': 37 cols 552 rows
  # data item 'ADPSGA': 42 cols 695 rows
  # data item 'ADSL': 56 cols 87 rows
  # data item 'ADVS': 37 cols 3617 rows