nrow() and ncol() return the number of rows or columns present in x.
nrow(x, ...)# S3 method for default
nrow(x, ...)
# S3 method for ddf_col
nrow(x, ...)
# S3 method for tbl_ddf
nrow(x, ...)
ncol(x, ...)
# S3 method for default
ncol(x, ...)
# S3 method for ddf_col
ncol(x, ...)
# S3 method for tbl_ddf
ncol(x, ...)
An integer or NULL.
An object.
Other arguments passed on to methods.
These functions override base functions to make them generic. The default methods call the base versions.