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Time-stamped directed phone calls among undergraduates in an MIT residence hall over the 2008–2009 academic year. Sourced from the goldfish R package (Social_Evolution$calls).

Usage

social_evolution_calls

Format

A data frame with 439 rows and 4 columns:

time

Days since the first recorded call. attr(., "unix_origin") holds the Unix epoch of time = 0.

sender

Character actor id matching social_evolution_actors$id.

receiver

Same domain as sender.

increment

Integer increment recorded for the call (typically 1).

Source

Madan, A., Cebrian, M., Moturu, S., Farrahi, K., Pentland, A. (2012). Sensing the "health state" of a community. IEEE Pervasive Computing 11(4), 36–45. doi:10.1109/MPRV.2011.79 . Redistributed via the goldfish R package (github.com/snlab-ch/goldfish), dataset Social_Evolution.