Tools for Importing Files in the Triple-s (Standard Survey Structure) Format

Tools to import survey files in the .sss (triple-s) format. The package provides the function read.sss() that reads the .asc (or .csv) and .sss files of a triple-s survey data file.


sss 0.1-0 (28/03/2017)

  • You can now specify only the .sss file in read.sss(), and the function will guess the name of the .asc
  • Added label.table attribute
  • Internal changes:
    • Imports xml2 instead of XML
    • Better error checking using assert_that()

sss 0.0-13 (17/03/2016)

  • Added support to read csv files
  • Now supports multi-byte files (UTF-8)
  • Expanded unit tests with real-world data

sss 0.0-11 (25/10/2013)

  • No functional changes
  • Added .Rbuildignore to comply with CRAN requirements for R-3.1.0

sss 0.0-09 (18/06/2012)

  • Minor changes to remove redundant files and folders
  • Now uses packageStartupMessage() rather than message() to display startup message

sss 0.0-08 (30/10/2011)

  • First experimental release to CRAN


  • Performance gains as a result of using plyr::quickdf() rather than
  • Imports plyr and XML rather than declaring dependency

sss 0.0-07 (30/10/2011)


  • Substantial gains in speed by rewriting and changeValues() to use lapply() rather than loops.
  • Documentation updates

sss 0.0-05

Fixed issues:

  • Fixed issues with converting logical values to TRUE/FALSE
  • Convert values where appropriate
  • Add variable.lable attribute containing question text

sss 0.0-04

  • Refactored all function names to use camelCase
  • Implemented to read fixed width file

Reference manual

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0.1-0 by Andrie de Vries, 4 years ago

Report a bug at

Browse source code at

Authors: Andrie de Vries [aut, cre]

Documentation:   PDF Manual  

GPL-2 | GPL-3 license

Imports utils, xml2, methods, assertthat

Suggests testthat, covr

See at CRAN