des_first {psyosphere} | R Documentation |
Get first value within each track
des_first( tracks, ctarget, cgaps = "", cname = "first", drop = TRUE, t_id = "id", des_df = "" )
tracks |
|
ctarget |
|
cgaps |
|
cname |
|
drop |
|
t_id |
character or numeric. Column name in |
des_df |
|
Data frame
t_id |
unique id of the track |
cname |
calculated result of the track |
If you use Psyosphere for commercial use or research, please support us by include one off the following references:
Creative Commons: "Psyosphere" by B. Ziepert, E. G. Ufkes & P. W. de Vries from analyse-gps.com / CC-BY-SA-4.0
APA: de Vries, P. W., et al. (2016). "De psychologie van bewegingen GPS-technologie voor de analyse van natuurlijk gedrag." Tijdschrift voor Human Factors 2: 11-15.
Benjamin Ziepert. Please send feedback to: feedback-psyosphere@analyse-gps.com.
des_summary
, des_duplicates
, des_last
, des_length
, des_max
, des_min
, des_mean
, des_sd
, des_sum
# Print title cat("\nTesting des_first()\n") # Calculations data(psyo_rounds2) first <- psyosphere::des_first(psyo_rounds2, "p_id")