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Last data update: 2014.03.03

R: Generate a Raster Plot

raster

R Documentation

Generate a Raster Plot

Description

Given a list of spike trains (or a repeatedTrain object) where each train was acquired during, say, one presentation of a given stimulus, a raster plot is generated. If stimulus time properties are specified, the stimulus application time also appears on the plot.

Usage

## S3 method for class 'repeatedTrain'
plot(x, stimTimeCourse = NULL,
       colStim = "grey80", xlim, pch, xlab, ylab, main, ...)
raster(x, stimTimeCourse = NULL, colStim = "grey80",
       xlim, pch, xlab, ylab, main, ...)

Arguments

`x`	a `repeatedTrain` object or a list which can be coerced to such an object.
`stimTimeCourse`	`NULL` (default) or a two elements vector specifying the time boundaries (in s) of a stimulus presentation.
`colStim`	the background color used for the stimulus.
`xlim`	a numeric (default value supplied). See `plot`.
`pch`	data symbol used for the spikes. See `plot`.
`xlab`	a character (default value supplied). See `plot`.
`ylab`	a character (default value supplied). See `plot`.
`main`	a character (default value supplied). See `plot`.
`...`	see `plot`.

Details

Basic raster plot stuff.

Value

Nothing is returned raster is used for its side effect, a plot is generated on the current graphical device.

Note

Brillinger (1992) calls these plots "rastor" instead of raster...

Author(s)

Christophe Pouzat christophe.pouzat@gmail.com

References

Brillinger, David R. (1992) Nerve Cell Spike Train Data Analysis: A Progression of Technique. JASA 87: 260–271.

Examples

## Load Vanillin responses data (first cockroach data set)
data(CAL1V)
## convert them into repeatedTrain objects
## The stimulus command is on between 4.49 s and 4.99s
CAL1V <- lapply(CAL1V,as.repeatedTrain)
## look at the individual raster plots
raster(CAL1V[["neuron 1"]],stimTimeCourse=c(4.49,4.99),main="N1")
plot(CAL1V[["neuron 2"]],stimTimeCourse=c(4.49,4.99),main="N2")
plot(CAL1V[["neuron 3"]],stimTimeCourse=c(4.49,4.99),main="N3")
plot(CAL1V[["neuron 4"]],stimTimeCourse=c(4.49,4.99),main="N4")

Results


R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

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Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(STAR)
Loading required package: survival
Loading required package: mgcv
Loading required package: nlme
This is mgcv 1.8-12. For overview type 'help("mgcv-package")'.
Loading required package: R2HTML
Loading required package: gss
Loading required package: codetools
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/STAR/raster.Rd_%03d_medium.png", width=480, height=480)
> ### Name: raster
> ### Title: Generate a Raster Plot
> ### Aliases: raster plot.repeatedTrain
> ### Keywords: ts survival
> 
> ### ** Examples
> 
> ## Load Vanillin responses data (first cockroach data set)
> data(CAL1V)
> ## convert them into repeatedTrain objects
> ## The stimulus command is on between 4.49 s and 4.99s
> CAL1V <- lapply(CAL1V,as.repeatedTrain)
> ## look at the individual raster plots
> raster(CAL1V[["neuron 1"]],stimTimeCourse=c(4.49,4.99),main="N1")
> plot(CAL1V[["neuron 2"]],stimTimeCourse=c(4.49,4.99),main="N2")
> plot(CAL1V[["neuron 3"]],stimTimeCourse=c(4.49,4.99),main="N3")
> plot(CAL1V[["neuron 4"]],stimTimeCourse=c(4.49,4.99),main="N4")
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>