character or numeric. Number of shifted copied to be created. With - or + a direction can be indicated. For instance, +1 copies the value of the following coordinate. -1 copies the value of the previous coordinate.
bind
logical. Whether to bind the row to tracks or to return it as separate column.
csubset
list. A list of column names in tracks that will be copied.
t_id
character or numeric. Column name in tracks that identifies the separate tracks.
If you use 'psyosphere' for commercial use or research, please support us by include one off the following references:
MIT license: "psyosphere" by B. Ziepert, E. G. Ufkes & P. W. de Vries from https://CRAN.R-project.org/package=psyosphere
APA: Ziepert, B., Ufkes, E., & de Vries, P. W. (2018). psyosphere: Analyse GPS Data. Retrieved from https://CRAN.R-project.org/package=psyosphere
APA: Vries, P., Ziepert, B., & Ufkes, E. (2016). "De psychologie van bewegingen GPS-technologie voor de analyse van natuurlijk gedrag." Tijdschrift voor Human Factors 2: 11-15.