[R] create zoo object within a for loop

Dear everyone. I have a data frame with relocation data of several animals >head(data) timestamp individual easting northing 25.03.2014 07:00 animal1 410712.5 5913542 25.03.2014 08:00

[R] ltraj contains irregular data

Dear everyone, as far as I understood the setNA function in adhabitat is there to produce rows in a location dataset that have not been recorded by the GPS collar. I just can not figure out where the problem is. Hope somebody can help me. >daten$timestamp <- strptime(daten$study.local.timesta