THE CANDID DIVING DATA BASE

Authors
  1. Nishi, R.Y.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
CANDID (CANadian Diving Data) is a diving and decompression data base containing a detailed record of all dives done in the DCIEM diving program since 1964. This presently consists of approximately 5500 different dive exposures involving about 16000 man-dives and 1700 subjects. These include experimental dives for decompression research, physiological, respiratory, and psychological testing, familiarization, training, and equipment testing. Almost all of the dives have accurate time-depth profile information for the entire dive. CANDID is a relational data base using the INGRES relational data base management system. There are 11 relational tables, six for data entry and five lookup tables, with 30 fields. Data entry and retrieval are conducted by means of a series of convenient menu screens. CANDID has been used extensively for a number of studies, in particular for the development of new air and mixed-gas decompression tables and for the development of probabilistic decompression models using the principle of maximum likelihood. Although CANDID, as presently structured, has been designed primarily as a decompression research data base for chamber dives, it can be used as a general dive data base and can be easily extended into an operational diving data base.
Report Number
DCIEM-90-TN-48 — Technical Note
Date of publication
01 Jan 1990
Number of Pages
10
DSTKIM No
93-04558
CANDIS No
134675
Format(s):
Hardcopy;Originator's fiche received by DSIS

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