readSVTS: Read in Sv or TS Data from Echoview

In JVAdams/EchoNet2Fish: Estimate Fish Abundance from Acoustic Echoes and Net Catch

Description

Read in Sv (volume backscattering strength) or TS (single target frequencies) data from Echoview csv files and combine into a single data frame.

Usage

readSVTS(
  svtsdir,
  oldname = NULL,
  newname = NULL,
  elimMiss = NULL,
  datevars = c("Date_S", "Date_E", "Date_M"),
  addyear = TRUE,
  tidy = TRUE
)

Arguments

svtsdir	A character scalar giving the directory in which the csv files are located.
oldname	A character vector giving the original names of variables to be renamed, default NULL.
newname	A character vector giving the new names of variables to be renamed, default NULL.
elimMiss	A character vector giving the names of variables which must have nonmissing values. All rows with a missing value for any of these variables will be eliminated, default NULL.
datevars	A character vector giving the names of variables with date information stored as YYYYMMDD, default c("Date_S", "Date_E", "Date_M"). These will be converted to R dates. If NA, no date coversion will be carried out.
addyear	A logical scalar indicating if a year variable should be added to the data frame, based on the first variable named in datevars, default TRUE.
tidy	A logical scalar indicating if the data frame should be tidied using dfTidy, default TRUE.

Value

A data frame with the all rows of the csv files in svtsdir combined.

JVAdams/EchoNet2Fish documentation built on Feb. 15, 2021, 4:27 a.m.