Hi all,
When I write a script, I'd like to create a main() function so that I
only need to type main() t re-run it. However, I'd like all the
variables in main() to be global so that when the function terminates, I
still have access to the variables in the environment. Does anyone know
how to do t
:[EMAIL PROTECTED]
Sent: Sunday, January 28, 2007 4:45 PM
To: Geoffrey Zhu
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] Inverse fuction of ecdf
?quantile
b
On Jan 28, 2007, at 5:41 PM, Geoffrey Zhu wrote:
> Hi Everyone,
>
> I want to generate some random numbers according to some
Hi Everyone,
I want to generate some random numbers according to some empirical
distribution. Therefore I am looking for the inverse of an empirical
cumulative distribution function. I haven't found any in R. Can anyone
give a pointer?
Thanks,
Geoffrey
___
Hi All,
I'd like to know what is the best way to organize R code in multiple modules=
and files. The R code we are writing is too much for a single file. Besides=
, there are a lot of reusable functions we'd like to factor out. But writing=
a package for that is quite an over-kill and might be t
Hi,
I am really new at R. Does anyone know what is the real difference of
vector and array, except that many operations that expect an array does
not work on a vector?
Thanks,
Geoffrey
___=0A=
=0A=
=0A=
The information in this email or in any f
Yes, this solves my problem. Thanks for your help.
-Original Message-
From: Christos Hatzis [mailto:[EMAIL PROTECTED]
Sent: Tuesday, December 26, 2006 10:58 AM
To: Geoffrey Zhu; r-help@stat.math.ethz.ch
Subject: RE: [R] vectorizing an iterative process.
In your case, the recurrence
I meant x[i] <- x[i-1] + y[i-1] and Y[i] <- y[i-1] + x[i] below.
The mailing list software just keep adding 3D's. Sorry.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Geoffrey Zhu
Sent: Tuesday, December 26, 2006 10:03 AM
To: Richard M. H
[EMAIL PROTECTED]
Sent: Tuesday, December 26, 2006 9:56 AM
To: Geoffrey Zhu; r-help@stat.math.ethz.ch
Subject: Re: [R] vectorizing an iterative process.
> x[i]=3D3Dx[i-1]+y[i-1] for all i, how can I do this without a loop?
It looks like
x <- cumsum(y)
What
Hi Everyone,
I am stuck with a simple problem. Suppose I have a vector x, and I want
to calculate y[i]=3Dx[i+1]-x[i], it is very easy. I just need to write
y<-x[2:length(x)]-x[1:length(x)-1].
Now if I know y, and want to know the vector x defined by
x[i]=3Dx[i-1]+y[i-1] for all i, how can I do
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