Customary approacha | Ekstrom (2007) | Nielsen & Siebert (2007) | Sumner et al. 2009 | Current contribution | |
---|---|---|---|---|---|
R package | GeoLight | Trackit | TripEstimation | FLightRb | |
Few points per twilight | + | +− | + | ||
Shading cloud cover free | + | + | + | ||
Optimisation | least squares | UKF | MCMC (block update) | particle filter | |
Movement allowed | + | + | + | ||
Landscape mask | + | + | |||
Migratory-sedentary switch | + | ||||
Behavioural-landscape masks | + | ||||
Positions | + − (not close the equinox) | + | + | + | + |
Assesment of precision of estimates | + | + | + | ||
Distribution of possible positions | + | + | |||
Distribution of possible transitions | + |