# SD1.2.5.1.1.9-B NetCDF R API
# Background

R is a language and environment for statistical computing and graphics.
Three R NetCDF interfaces are available:
  * ncdf4 package.
  * RNetCDF.
  * ncvar.

# Aim

  * To use R for working with NetCDF data.

# Outcomes

  * Write a two-dimensional array of sample data and read data from this file.
  * Write some variables with units attributes and coordinate dimensions and read data variables and attributes from this file.
  * Write some four-dimensional variables using a record dimension and read from the variables from this file.

# Subskills