id author title date pages extension mime words sentence flesch summary cache txt crl-15749 Beall, Jeffrey; Kafadar, Karen The Proportion of NUC Pre-56 Titles Represented in OCLC WorldCat 2005-09-01 5 .pdf application/pdf 2511 118 66 The authors therefore prepared a list (using the R so ware) for each volume of 30 (page number, column number, record number) triples, where they randomly selected “page number” from the numbers {1, 2, …, 694}, randomly selected “column number” from the num- bers {1,2,3}, and randomly selected “record number” from the numbers (1,2, …, 7). The authors also checked 434 College & Research Libraries September 2005 for any systematic trends over time in these proportions among volumes; a plot of “Proportion found” versus volume number (or versus 1,2,3,…,26) did not show any strong trends, except perhaps slightly higher proportions (above 85%) for five of the last nine vol- umes. cache/crl-15749.pdf txt/crl-15749.txt