| plot_chr {gcxgclab} | R Documentation |
Plot chromatogram
Description
plot_chr plots TIC data for chromatogram.
Usage
plot_chr(data, scale = "log", dim = 2, floor = -1, title = "Intensity")
Arguments
data |
a list object. Data extracted from a cdf file, ideally the output from extract_data(). |
scale |
a string object. Either 'linear' or 'log'. log refers to logarithm base 10. Default is log scale. |
dim |
a integer object. The time dimensions of the plot, either 1 or 2. Default is 2. |
floor |
a float object. The floor value for plotting. Values below floor will be scaled up. Default for linear plotting is 0, default for log plotting is 10^3. |
title |
a string object. Title placed at the top of the plot. Default title "Intensity". |
Details
This function creates a contour plot using of TIC data vs the x and
y retention times using ggplot from ggplot2 package
(Wickham 2016).
Value
A ggplot object. A contour plot of TIC data plotted in two dimensional retention time.
References
Wickham H (2016). ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York. ISBN 978-3-319-24277-4, https://ggplot2.tidyverse.org.
Examples
file <- system.file("extdata","sample1.cdf",package="gcxgclab")
frame <- extract_data(file,mod_t=.5)
plot_chr(frame, title='Raw Data', scale="linear")
plot_chr(frame, title='Log Intensity')