Dataset: penguin_trend_jj.dat

Source: K. Delord, C. Barbraud, H. Weimerskirch (2004). "Long-Term
Trends in the Population Size of King Penguins at Crozet Archipelago:
Environmental Variability and Density Dependence?" Polar Biology,
Vol. 27, pp. 793-800.

Description: Breeding Pairs at Jardin Japonais on Possession Island,
for 11 breeding seasons
between 1967 and 2003. Authors fit quadratic regression (among other models)
based on Y'=log10(Y)

Variables/Columns
Year   5-8
# Breeding pairs   10-16