CASE STUDIES IN BIOMETRY: Chapter 9. Spatial Association Learning in Hummingbirds Jinko Graham, A. John Petkau The file ch9.dat contains the following variables: BIRD : Bird id. RX : 1=NT, 2=PT, 3=FT, standing for "No Tape" (NT), in which no visible guides connected light cues with the feeders below them; "Partial Tape" (PT), in which fluorescent orange Dymo type provided a discontinuous (i.e., broken in two places) connection between each light cue and its feeder; and "Full Tape" (FT), in which the visible guide between each light cue and its feeder (fluorescent orange Dymo tape) was continuous. Feeding continued for 180 trials. GENDER : 0=male, 1=female. OUTCOME: 0=failure 1= success.