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This squares with what I'm seeing. Data for all holdings of the Orbis Cascade Alliance is: 100: 30.1 245: 114.1 6XX: 36.1 My values include indicators (2 characters) as well as any delimiters but not the tag number itself. I breaking up 6XX up as Roy has as 6XX's are far from created equal and frequency of occurrence varies radically with tag. I'm going to guess our 245 values are longer because we're an academic consortium and holdings are biased towards academic titles which tend to be longer. kyle On Wed, Oct 16, 2013 at 10:57 AM, Roy Tennant <[log in to unmask]> wrote: > I don't even have to fire it up. That's a statistic that we generate > quarterly (albeit via Hadoop). Here you go: > > 100 - 30.3 > 245 - 103.1 > 600 - 41 > 610 - 48.8 > 611 - 61.4 > 630 - 40.8 > 648 - 23.8 > 650 - 35.1 > 651 - 39.6 > 653 - 33.3 > 654 - 38.1 > 655 - 22.5 > 656 - 30.6 > 657 - 27.4 > 658 - 30.7 > 662 - 41.7 > > Roy > > > On Wed, Oct 16, 2013 at 10:38 AM, Sean Hannan <[log in to unmask]> wrote: > > > That sounds like a request for Roy to fire up the ole OCLC Hadoop. > > > > -Sean > > > > > > > > On 10/16/13 1:06 PM, "Karen Coyle" <[log in to unmask]> wrote: > > > > >Anybody have data for the average length of specific MARC fields in some > > >reasonably representative database? I mainly need 100, 245, 6xx. > > > > > >Thanks, > > >kc > > > > > >-- > > >Karen Coyle > > >[log in to unmask] http://kcoyle.net > > >m: 1-510-435-8234 > > >skype: kcoylenet > > >