2.1. Statistical analyses
In order to compare properties, only the main
behavioural categories of grazing, resting and walking were
used. In each time period the total number of animals
engaged in each activity was calculated as well as the total
number of animals observed. Summary proportions were
calculated for each property by dividing the total number
of animals engaged in each activity by the total number
of animals observed over all the periods and days of the
experiment. A binomial model was then used to compare
properties. This was accomplished by fitting property as
a factor in a generalised linear model with date within
property as a random term, logit link and binomial errors
(allowing for overdispersion) and time periods within date
and property as the basic unit of comparison.