This utility function decomposes item names into components: instrument, domain, mode and number

decompose_itemnames(x)

Arguments

x

A character vector containing item names (gcdg lexicon)

Value

A data.frame with length(x) rows and four columns, named: instrument, domain, mode, and number.

Details

The gsed-naming convention is as follows. Position 1-3 codes the instrument, position 4-5 codes the domain, position 6 codes direct/caregiver/message, positions 7-9 is a item sequence number.

References

https://docs.google.com/spreadsheets/d/1zLsSW9CzqshL8ubb7K5R9987jF4YGDVAW_NBw1hR2aQ/edit#gid=0

See also

Author

Stef van Buuren

Examples

itemnames <- c("aqigmc028", "grihsd219", "", "by1mdd157", "mdsgmd006") decompose_itemnames(itemnames)
#> instrument domain mode number #> 1 aqi gm c 028 #> 2 gri hs d 219 #> 3 #> 4 by1 md d 157 #> 5 mds gm d 006