Table 1.

Factorial decomposition of the first three principal components (PCs). These three PCs represent 84.7% of the variance in the data. The most important variables for each component are in italics.

variablePC1 ‘sociability’PC2 ‘boldness’PC3 ‘activity’
median speed0.025−0.0310.520
proportion of time spent still−0.0260.001−0.709
proportion of time near the arena edge0.0640.984−0.021
time taken to explore 10% of the arena0.2450.098−0.114
overall % of the arena explored−0.6040.1340.361
median distance to nearest neighbour−0.271−0.049−0.137
mean number of local neighbours0.704−0.0260.254