read81x: read81x

In RespChamberProc: Processing Data from Respiration Chambers

Description

Read a Licor generated .x81 file into a data-frame

Usage

read81x(fName, nRowsFileInfo = 23, sep = "\t", ..., 
    colsTimeStamp = 3, formatTS = NULL, tz = "UTC", 
    na.strings = c("", "NA", "NAN", "\"NAN\""), labelRowOffset = -16)

Arguments

fName	scalar string: file name
nRowsFileInfo	scalar integer: number of lines of initial file information
sep	column separator
...	further arguments to readDat
colsTimeStamp	integer vector: colums with time stamp column (will be set to POSIXct
formatTS	format of the timestamp columns, see strptime, e.g.
tz	specify a time zone when converting to POSIXct, default: current local e.g CET, UTC
na.strings
labelRowOffset	the row offset, usually before concentration measurements to generate column label

Details

version of readDat with adjusted defaults

Author(s)

Thomas Wutzler, Oscar Perez Priego

Examples

#fName <- "inst/genData/Flux2_140929_1700.81x"
#fName <- "inst/genData/Flux2_140929_1700.81x"
fName <- system.file("genData/Flux2_140929_1700.81x", package = "RespChamberProc")
if( nzchar(fName) ){
	ds <- read81x(fName)
	#plot( CO2 ~ Date, ds )
	#plot( CO2 ~ Date, ds[ds$iChunk==9,] )
}

RespChamberProc documentation built on May 2, 2019, 5:53 p.m.