Does anyone know, or know documentation that describes, how to declare
multiple values in R as missing that does not involve coding them as NA? I
wish to be able to treate values as missing, while still retaining codes
that describe the reason for the value being missing.
Thanks
John MAcInnes
--
Professor John MacInnes
Sociology,
School of Social and Political Studies,
No 8 Buccleuch Place
University of Edinburgh
Edinburgh EH8 9LN
+44 (0)131 651 3867
Centre d'Estudis Demogràfics
Universitat Autònoma de Barcelona
Edifici E-2
08193 Bellaterra (Barcelona)
Spain
+34 93 581 3060
"The University of Edinburgh is a charitable body, registered in Scotland,
with registration number SC005336."
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