window_filter: Window filter

In sean-rohan-NOAA/gapctd: Process CTD data from bottom trawl surveys

Window filter

Description

Applies a window filter to variable channels using a user-specified filtering method.

Usage

window_filter(
  x,
  method,
  variables,
  window,
  offset = NULL,
  halfwidth = NULL,
  freq_n = NULL
)

Arguments

x	ctd object
method	Filtering method options are "median", "boxcar", "cosine", "gaussian", "triangle"
variables	Character vector of data variable names to filter, such as "temperature", "conductivity".
window	Numeric vector of windows (i.e. number of scans for the window
offset	For "gaussian" filtering. Value of the offset parameter. SBEDP uses as defaults: offset = 0, halfwidth = 1
halfwidth	For "gaussian" filter. Value of the halfwidth parameter.
freq_n	For "gaussian" filter. Optional. Sampling interval in seconds (1L numeric). Sampling interval is inferred from timeS if not provided.

Value

ctd object with channels filtered

Author(s)

Sean Rohan

sean-rohan-NOAA/gapctd documentation built on March 1, 2025, 9:27 a.m.