|Thinning is needed for example to adjust density of GPS-recorded trackpoints and for equalizing observation intervals.||
The answer needs to be updated
|ID||P||Question or exercise|
|3968||2|| The attached file contains GPS-recorded trackpoints of Potentilla fruticosa field observations in a square kilometer. Code 1 marks the species presence locations, 0 marks the species absence. The aim is to remove close locations because these are duplicating each other and automatically tracked points close to find sites do not represent the species absence.