Table 5 Calculated variable sets per cow over one-hour time windows
Variable set | Statistic | Transformed data |
|---|---|---|
Individual GPS | All statistics from Table 3 | 1 Hz GPS data |
Proportion activity | Proportion | Predicted activity per three-seconds window (Table 1) |
Individual GPS distribution parameters while grazing | Mean and standard deviation of log-transformed data | Median speed and median absolute tangential velocity per three-seconds window while grazing (Table 3) |
Median group GPS | Median | Group GPS features per three-seconds window (Table 4) |
SD group GPS | Standard deviation | Group GPS features per three-seconds window (Table 4) |
Median individual GPS while grazing | Median | Individual GPS features per three-seconds window while grazing (Table 3) |
SD individual GPS while grazing | Standard deviation | Individual GPS features per three-seconds window while grazing (Table 3) |
Median group GPS while grazing | Median | Group GPS features per three-seconds window while grazing (Table 4) |
SD group GPS while grazing | Standard deviation | Group GPS features per three-seconds window while grazing (Table 4) |
Median accelerometer while grazing | Median | Accelerometer features per three-seconds window while grazing (Fig. 2) |
SD accelerometer while grazing | Standard deviation | Accelerometer features per three-seconds window while grazing (Fig. 2) |