davis: One 18 by 14 two mode binary matrix.
BACKGROUNDThese data were collected by Davis et al. in the 1930s. They represent observed attendance at 14 small social events by 18 Southern women. The result is a person-by-event matrix: cell (i,j) is 1 if person i attended social event j, and 0 otherwise.
Breiger R. (1974). The duality of persons and groups. Social Forces, 53, 181-190.
Davis, A. et al. (1941). Deep South. Chicago: University of Chicago Press.
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