An axis
is an instance of a dimension.
nc_axes(x, variables = NULL, ...)
# S3 method for class 'character'
nc_axes(x, variables = NULL, ...)
# S3 method for class 'NetCDF'
nc_axes(x, variables = NULL, ...)
Each data source has a set of dimensions available for use by variables. Each axis is a 1-dimensional instance.