> -Original Message-
> From: r-help-boun...@r-project.org
> [mailto:r-help-boun...@r-project.org] On Behalf Of Tim Clark
> Sent: Thursday, February 11, 2010 10:53 AM
> To: r-help@r-project.org
> Subject: Re: [R] Find each time a value changes
>
> It was brought
Ben Tupper
> Subject: Re: [R] Find each time a value changes
> To: r-help@r-project.org
> Cc: "Tim Clark"
> Date: Wednesday, February 10, 2010, 4:16 PM
> Hi,
>
> On Feb 10, 2010, at 8:58 PM, Tim Clark wrote:
>
> > Dear List,
> >
> > I am trying t
gt; From: Ben Tupper
> Subject: Re: [R] Find each time a value changes
> To: r-help@r-project.org
> Cc: "Tim Clark"
> Date: Wednesday, February 10, 2010, 4:16 PM
> Hi,
>
> On Feb 10, 2010, at 8:58 PM, Tim Clark wrote:
>
> > Dear List,
> >
> >
Hi,
On Feb 10, 2010, at 8:58 PM, Tim Clark wrote:
Dear List,
I am trying to find each time a value changes in a dataset. The
numbers are variables for day vs. night values, so what I am really
getting is the daily sunrise and sunset.
A simplified example is the following:
x<-seq(1:100)
:59 AM
To: r-help@r-project.org
Subject: [R] Find each time a value changes
Dear List,
I am trying to find each time a value changes in a dataset. The numbers are
variables for day vs. night values, so what I am really getting is the daily
sunrise and sunset.
A simplified example is
Dear List,
I am trying to find each time a value changes in a dataset. The numbers are
variables for day vs. night values, so what I am really getting is the daily
sunrise and sunset.
A simplified example is the following:
x<-seq(1:100)
y1<-rep(1,10)
y2<-rep(2,10)
y<-c(y1,y2,y1,y1,y1,y2,y
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