Define an sftraj
new_sftraj(data, group_col, sf_col, time_col, error_col = NA)
data | data.frame with multi_burst column, geometry column, time_col (integer/POSIXct), and error column (optional) |
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group_col | column name of multi_burst in `data` |
sf_col | column name of geometry in `data` |
time_col | column name of time in `data` |
error_col | column name of error in `data` |