Table 6.

Variables of staff member mobility data.

Variable	Description
from_hei	The institution of origin of the member of staff.
to_hei	The destination of the mobility.
gender	The gender of the member of staff.
nationality	The nationality of the member of staff.
workcat	The category of work at the home university.
seniority	The degree of experience (seniority) of the member of staff.
activity	The type of activity conducted by the member of staff at the host institution.
lengthdays	The number of days that the member of staff was abroad excluding travel days.
language	The language of study in the Host Country.
sevsupp	The total value of the grant awarded for a disability during a staff visit. Currency in Euros.
subsistence	The overall subsistence expenses excluding additional funding for disabilities. Currency in Euros.
travel	The overall travel costs excluding additional funding for disabilities. Currency in Euros.
isfirst	This field indicates whether this is the first staff training assignment mobility funded by Erasmus for the member of staff.
year	The academic year of training abroad.
distance	The geodesic distance between the home and host cities in km, calculated based on the geocodes of the city.
direction	The geodesic direction from the starting point to the endpoint in degrees, calculated based on the geocodes of the city.