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[返回当前版本]   [恢复此版本]
Would you like to try out our new R Workbench?
Go to the R Workbench Web Page and launch the latest Workbench.

R Wiki Main Page#

some preformatted block
superscript text

Heading 1 title#

MyExperiment

This is a cache test R-Wiki is the wiki engine that has R-cloud infrastructure in the background, and allows users to create wiki pages that embed R scripting and computation. The result of execution of the R scripts, command output and graphics, will be part of the page. The call to R is performed using RPlugin tag.

[{RPlugin <propertyName="propertyValue" refresh="false" updateOnRefresh="true">
hist(rnorm(1000));
}]

The wiki engine uses same instance of the R server for all calls to RPlugin on one page, which means users can load stored .RData, perform computation and use the result later on the page.

Links autocomplete works!
TestPage SomeNewTestPage

R Script Test Page#

AAA BBB XX CC
asdasd
asdsad x
dssddssd sd sd ds ad asdsa
Test list

  • a
  • b

R Script 1#

Description#

Here goes the text describing the experiment.

Experiment#

Run graphics commands, set the display size using size=200. Display the hostname of the R server.

Parameters: refresh="false" updateOnRefresh="true"

cat(paste("this message is printed from R running on", Sys.info()[4]));
factorial(10);
5+2*4;
rnorm(1)+10.0;
z00 <- rnorm(500);
y <- rnorm(500);
plot(z00,y);
factorial(3);
zz001 <- rnorm(1000);
zz002 <- rnorm(100);
hist(zz001, col=8);
image(matrix(zz002, nrow=10));
this message is printed from R running on ebi1-067.ebi.ac.uk[1] 3628800
[1] 13
[1] 11.00207
[1] 6

R script 2#

Run graphics commands, use display size=400, use previously computed z00.

cat(paste("this message is printed from R running on", Sys.info()[4]));
#zz002 <- rnorm(100);
1+3;
image(matrix(z00, nrow=10));
this message is printed from R running on ebi1-067.ebi.ac.uk[1] 4

RScript 3#

Print a file, located on the shared file system.
cat(paste("this message is printed from R running on", Sys.info()[4]));
cat(getSrcLines(srcfile("/ebi/microarray/home/biocep/service/VirtualRWorkbench/wdir/andrew/ArrayExpressHTS/subsetting/experiment/tool.pl"), 0, 200), sep="\n");
this message is printed from R running on ebi1-067.ebi.ac.ukError in file(srcfile$filename, open = "rt", encoding = encoding) : 
cannot open the connection
In addition: Warning message:
In file(srcfile$filename, open = "rt", encoding = encoding) :
cannot open file '/ebi/microarray/home/biocep/service/VirtualRWorkbench/wdir/andrew/ArrayExpressHTS/subsetting/experiment/tool.pl': No such file or directory

Empty RScript 3#

Plot graphics, no command output.
image(matrix(rnorm(10), nrow=10));

RScript 4#

Kinda nice picture.
wallpaper<-function(n=4E4,x0=1,y0=1,a=1,b=4,c=60){
x<-c(x0,rep(NA,n-1))
y<-c(y0,rep(NA,n-1))
cor<-rep(0,n)


for (i in 2:n){

x[i] = y[i-1] - sign(x[i-1])*sqrt(abs( b*x[i-1] - c) )
y[i] = a - x[i-1]
cor[i]<-round(sqrt((x[i]-x[i-1])^2+(y[i]-y[i-1])^2),0)
}
n.c<-length(unique(cor))
cores<-heat.colors(n.c)

plot(x,y,pch=".",col=cores[cor])

}

wallpaper()

RScript 5#

Using example from the help page for image command. Loading packages.

require(grDevices); # for colours
x <- y <- seq(-4*pi, 4*pi, len=27);
r <- sqrt(outer(x^2, y^2, "+"));
image(z = z <- cos(r^2)*exp(-r/6), col=gray((0:32)/32));
image(z, axes = FALSE, main = "Math can be beautiful ...",
      xlab = expression(cos(r^2) * e^{-r/6}));
contour(z, add = TRUE, drawlabels = FALSE);
image(t(volcano)[ncol(volcano):1,])
x <- 10*(1:nrow(volcano))
y <- 10*(1:ncol(volcano))
image(x, y, volcano, col = terrain.colors(100), axes = FALSE)
contour(x, y, volcano, levels = seq(90, 200, by = 5),
        add = TRUE, col = "peru")
axis(1, at = seq(100, 800, by = 100))
axis(2, at = seq(100, 600, by = 100))
box()
title(main = "Maunga Whau Volcano", font.main = 4)


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