On 16/09/2011 10:53 AM, John Clark wrote:
My question was not related to embedding R codes in powerpoint / word,
rather I need to execute some of the commands in sequential way in R, so
that I do not need to type them. This is similar to what you get when you
use the following demo:
require(lattice);
demo(lattice)
So I want to put my commands in the same way into a flow
Thanks for the suggestions:
If sequential is all you want, embedding
resp <- readline("Hit enter to continue")
in your script will have it pause waiting for someone to hit Enter.
There's no portable way to wait for a mouse click.
Duncan Murdoch
On Fri, Sep 16, 2011 at 9:39 AM, Duncan Murdoch<murdoch.dun...@gmail.com>wrote:
> On 15/09/2011 10:22 PM, John Clark wrote:
>
>> R experts:
>>
>> I want to prepare a demo (that will play sequentially in clicks) for a
>> presentation tutorial...Can somebody help me how can I write a demo,
>> suppose
>> the following are steps in the demo..
>>
>> #start
>> set.seed(1345)
>> x1<- sample(letters[1:10], 5)
>> x1
>> sort(x1)
>> x<- sample(1:10, 5)
>> y<- sample(c(11:20), 5)
>> require(lattice)
>> plot(x,y)
>> z<- rnorm(5, 1, 0.5)
>> dataframe<- data.frame(x, y, z)
>> model1<- lm(y ~x)
>> aov(model1)
>> #end
>> Please help me, I could not get proper function / package to it.
>>
>
> I would use the tcltk package for this, but it does mean you need to learn
> the TCL/TK language. For example, I have used this in a presentation:
>
> demos<- function() {
> base<- tktoplevel()
> tkwm.title(base,"Demos")
> font<- "{Arial 24}"
> tkpack(tkbutton(base, command=PointCloud, text="Point cloud",
> font=font), side="left")
> tkpack(tkbutton(base, command=Volcano, text="Volcano", font=font),
> side="left")
> tkpack(tkbutton(base, command=ChangeColour, text="Change colour",
> font=font), side="left")
> tkpack(tkbutton(base, command=SmoothingDemo, text="Smoothing",
> font=font), side="left")
> }
>
> PointCloud, Volcano, ChangeColour, and SmoothingDemo are regular R
> functions, called with no arguments when you click on their button.
>
> Duncan Murdoch
>
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