Dataset for measuring tendency of Y-junctions to line up into grain boundaries during incorporation into retinae Pixel size is 0.569 µm X 0.569 µm “fish14” corresponds to fish 1 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 23.7 degrees. “fish15” corresponds to fish 2 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 18.7 degrees “fish17” corresponds to fish 3 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 15.8 degrees “fish20” corresponds to fish 4 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 18.7 degrees for one of the grain boundaries … domain rotation at margin at time of photoconversion ~ 16.8 degrees for one of the grain boundaries “fish22” corresponds to fish 5 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 10.1 degrees “fish23” corresponds to fish 6 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 13.5 degrees “fish24” corresponds to fish 7 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 11.4 degrees “fish26” corresponds to fish 9 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 11.5 degrees “fish37” corresponds to fish 11 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 18.2 degrees for one of the grain boundaries … domain rotation at margin at time of photoconversion ~ 10.3 degrees for one of the grain boundaries “fish38” corresponds to fish 10 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 15.5 degrees “fish39” corresponds to fish 12 in Table 2 of main text … domain rotation at margin at time of photoconversion ~ 16.3 degrees for one of the grain boundaries … domain rotation at margin at time of photoconversion ~ 14.1 degrees for one of the grain boundaries fish.pptx summarizes row tracing for identification of y-junctions click_on_defects.m is the function for analyzing the statistical significance of the addition of new defects to existing y-junctions To Cite this Work: Nunley, H., Nagashima, M., Martin, K., Lorenzo Gonzalez, A., Suzuki, S., Norton, D., Wong, R., Raymond, P., Lubensky, D. Dataset for measuring tendency of Y-junctions to line up into grain boundaries during incorporation into retinae [Data set]. University of Michigan - Deep Blue. https://doi.org/10.7302/tnfa-e438