|
1
|
Visits
|
Number different visits (by IP address)
|
|
2
|
Unique Visits
|
Number of different first-time visits (by IP)
|
|
3.
|
Loyal Visits
|
Number of visits repeatedly visiting a unit
|
|
4
|
Download Events
|
Number of different visits making a download
|
|
5
|
Download Frequency
|
Number of downloaded records from a unit (also distribution over units) - by visitor type
|
|
6
|
Download Volume
|
Size in MB - can be averaged
|
|
7
|
Download Impact
|
Download Freq. D(u) over stored records r(u) in unit: D(u)/r(u)
|
|
8
|
Avg. Download Freq.
|
Download Freq. per Event d(u): D(u)/d (u)
|
|
9
|
Usage Ratio
|
Ratio of Download Events over Visits v(u) for unit u: d(u)/v(u) - by visitor type
|
