brood_size
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资源简介：
Data to estimate number of broods hatched (B) and average brood size (BS) for the four periods. Variables: BROOD - brood ID, MAHATCH - hatching date (number of days since 1 March), BROODSIZE - number of chicks hatched, PERIOD - categorical variable giving the four periods.
创建时间：
2011-01-01
