rddi (version 0.1.1)

ddi_method: method and its child nodes

Description

This section describes the methodology and processing involved in a data collection. More information on these elements, especially their allowed attributes, can be found in the references.

Usage

ddi_method(...)
ddi_dataProcessing(...)
ddi_stdyClas(...)

Value

A ddi_node object.

Arguments

...

Child nodes or attributes.

Shared and complex child nodes

• ddi_anlyInfo()

• ddi_codingInstructions()

• ddi_dataColl()

• ddi_notes()

Details

Parent nodes

method is contained in stdyDscr.

method specific child nodes

• ddi_dataProcessing() describes various data processing procedures not captured elsewhere in the documentation, such as topcoding, recoding, suppression, tabulation, etc. The "type" attribute supports better classification of this activity, including the optional use of a controlled vocabulary.

• ddi_stdyClas() is generally used to give the data archive's class or study status number, which indicates the processing status of the study. May also be used as a text field to describe processing status. This element may be repeated to support multiple language expressions of the content.

References

method documentation

dataProcessing documentation

stdyClas documentation

Examples

ddi_method()

# Functions that need to be wrapped in ddi_method()

ddi_dataProcessing(type = "topcoding",
                   "The income variables in this study (RESP_INC, HHD_INC, and 
                   SS_INC) were topcoded to protect confidentiality.")

ddi_stdyClas("ICPSR Class II")