truncate_sheds: Truncate Detection Histories

In fishsciences/ybt: Yolo Bypass Telemetry Project Analysis Package

Description

Truncates the detection histories to either a number of days or hours after the fish first visit a station, or if a timestamp is provided, to that timestamp.

Usage

truncate_sheds(
  raw_detection_df,
  TagIDs,
  keep_last = 2L,
  units = "days",
  time_stamps = NULL,
  TagID_col = "TagID",
  Station_col = "GroupedStn",
  DateTime_col = "DateTimePST"
)

Arguments

raw_detection_df	data.frame of raw detection histories
TagIDs	vector, the TagIDs to truncate
keep_last	integer, amount of detections to keep in the final station history
units	character, either days or hours
time_stamps	Optional, if provided these are used as the cutoff for each tagID. There must be one time_stamp for each tagID. The function will only include DateTimes which are less or equal to this timestep in the results
TagID_col	character, the column name for the TagID
Station_col	character, the column name for the station
DateTime_col	character, the column name for DateTime

Value

data.frame, with shed tags truncated

Author(s)

Matt Espe

fishsciences/ybt documentation built on March 11, 2021, 8:45 a.m.