size_df_f: VPR size information dataframe
In vprr: Processing and Visualization of Video Plankton Recorder Data

size_df_f

R Documentation

VPR size information dataframe

A sample data frame of size information from Visual Plankton outputs, processed using vpr_ctdroisize_merge

size_df_f

An object of class data.frame with 14 rows and 14 columns.

@format A dataframe with 14 variables including

frame_ID: Unique identifier for each VPR frame
pressure: Pressure measured from the VPR CTD in decibars
temperature: Temperature measured from the VPR CTD in celsius
salinity: Salinity measured from the VPR CTD
sigmaT: Density calculated from temperature, salinity and pressure
fluorescence_mv: Fluorescence measured by the VPR CTD in millivolts (uncalibrated)
turbidity_mv: Turbidity measured by the VPR CTD in millivolts (uncalibrated)
roi: Unique ROI identification number - 10 digits, 8 digit millisecond time stamp and two unique digits to denote multiple ROIs within a millisecond
taxa: Category in which ROI has been classified by Visual Plankton
day_hour: Day and hour in which data was collected, from AutoDeck processing
long_axis_length: The length of the longest axis of the ROI image, measured by Visual Plankton
station: Station identifier provided during processing
time_ms: Time stamp when ROI was collected (milliseconds)
roi_ID: ROI identification number- 8 digit time stamp, without unique 2 digit ending