getNAEPData: Read NAEP data.

In jbryer/naep: National Assessment of Educational Progress (NAEP)

Description

Read the NAEP database and return a data object.

Usage

  getNAEPData(year, grade, subject, directory = NULL,
    vars = NULL, sample = c("AT", "PM"),
    type = c("Student", "School"))

Arguments

year	the year of the NAEP data.
grade	the grade to read.
subject	the subject to read (e.g. Math, Read)
directory	the root directory of the NAEP data disc.
vars	the variables to return. If NULL, the default set will be returned.
sample	either AT or PM.
type	the type of data to read (i.e. Student or School)

Details

This function will read data from the NAEP data discs and return a list containing the following:

• data a data frame containing the read data.

• catalog a data frame containing metadata.

• design the design of the complex survey from svydesign.

• grade the grade level.

• subject the subject.

• year the year.

• repweights a character vector containing the names of the replicate weights.

• sample the sample (either AT or PM)

• sourceDir the directory where the data was read from.

• type the type of data (either student or school).

jbryer/naep documentation built on May 18, 2019, 7:02 p.m.