Returns the attributes of an NHANES data table.

Share:

Description

Returns attributes such as number of rows, columns, and memory size, but does not return the table itself.

Usage

1
nhanesAttr(nh_table)

Arguments

nh_table

The name of the specific table to retrieve

Details

nhanesAttr allows one to check the size and other charactersistics of a data table before importing into R. To retrieve these characteristics, the specified table is downloaded, characteristics are determined, then the table is deleted.

Value

The following attributes are returned as a list
nrow = number of rows
ncol = number of columns
names = name of each column
unique = true if all SEQN values are unique
na = number of 'NA' cells in the table
size = total size of table in bytes
types = data types of each column

Examples

1
2
nhanesAttr('BPX_E')
nhanesAttr('FOLATE_F')