Duration of Connections

We approximate the length of a visit by summing the number of consecutive half-hour increments in which a user is connected to the library wifi in a given location.

Location Min Stay Mean Stay Median Stay Max Stay
alderman 0.5 1.374405 0.5 2333.5
clemons 0.5 2.771881 2.0 1787.0
harrison 0.5 1.113556 0.5 2057.5

The maximum lengths capture devices that are fixed in the buildings and remain nearly continuously connected. Because of these outliers, the median length may be a better representation of the typical duration of a visit.

Distribution of connection length

Alderman experiences a high number of half-hour visits generated by drop-ins to pick up materials at the desk or to buy coffee, as well as walk-bys – connections made by individuals outside of the building or passing by.

Connection length across time

Connection length by day of week

Half-hour connections across time

Half-hour connections by time of day

Connection Length by Affiliation

User affiliation (student, faculty, staff, etc.) is captured as described previously.

Number of visits by location

The following tables and figures examine the number of unique visits – as approximated by a consecutively-connected user. Here, the same user can represent multiple visits given multiple nonconsecutive connections in a given time period.

Location Number of Visits
alderman 1085482
clemons 445161
harrison 217760

Number of visits across time

Gatecount Comparison: Alderman

Gatecount Comparison: Clemons

Gatecount Comparison: Harrison-Small

Number of visits by affiliation

Affiliation Alderman Clemons Harrison-Small
alumni 24432 6689 3265
faculty 13035 1713 1789
grad 67306 13072 7982
library 37902 4842 10497
other 3116 683 223
staff 30632 8698 4446
ugrad 780591 316781 129114
unknown 127947 92520 60381
NA 521 163 63

Average visits by affiliation

This represents the average number of visits made by indiviudal users within an affiliation type; e.g., for each student who visited, we’ve summed the number of distinct visits. Among students who visited a library, they averaged 47 visits to Alderman, 20 to Clemons, and 10 to Harrison-Small.