Platform information (Highwire, ScienceDirect, ProQuest, etc.) is missing from Cost Usage.
These details are essential when evaluating usage for collection development purposes and are already available in the Usage Data subject area.
Currently, Cost Usage totals the usage from all platforms into a single number without platform distinction. Usage from certain platforms often needs to be excluded from usage totals because it is unrelated to the paid subscription being analyzed and throws of the direct cost-per-use calculation.
Lastly, certain aggregator access is sometimes paid for outside of typical library funding so there is a need to isolate it to make cost-based analysis.
subject area: cost usage
AORN Journal through OvidSP usage should not be used when calculating the cost-per-use for the AORN Journal through Elsevier. The screenshots below illustrate how platform usage is being combined to calculate cost usage.
Usage information from Cost Usage:
Usage information from Usage Data:
Updated 06 January 2020:
Ex Libris has added a new Cost Per Use folder to the E-Inventory Subject Area which includes Platform.
The old Cost Per Use SA has been depricated by Ex Libris.
From the IGeLU-ELUNA Analytics Working Group, Analytics Evidence Document
Please send questions or comments to the Analytics Working Group Listserv