[R] weird error message

[Alexander Nervedi]

Hi!

In the example below why is x[[1]] == 0.2237724 false?

Alexander Nervedi


>x <- runif(10)
>x[[1]]
[1] 0.2237724

>x
[1] 0.2237724 0.2678944 0.9375811 0.5963889 0.6180519 0.6449580 0.7308510
[8] 0.7347386 0.4837286 0.1416100

>x[[1]] == 0.2237724
FALSE






>From: "Alexander Nervedi" <alexnerdy at hotmail.com>
>To: r-help at stat.math.ethz.ch
>Subject: Re: [R] Creating Vectors
>Date: Fri, 30 Jun 2006 21:57:35 +0000
>
>Hi all.
>
>I have a factor variable distributed over time. I am looking for an elegant
>way to code duration of a state. Suppose,
>
> >rainfall.shocks <- factor(sample(c(1,2,3), size = 15, replace = TRUE, 
>prob
> >= unit.p),
>+                  label = c("Drought", "Normal", "High"))
> >
> >rainfall.shocks
>[1] Normal  High    High    Drought Normal  Normal  High    Normal  Drought
>[10] Normal  Drought Normal  Normal  Normal  Normal
>
>
>So capture the duration of say drought, I'd need a variable that is able to
>keep track of rainfall.shocks as well as its past values. I was wondering 
>if
>there is any obvious way to do this. the Drought variable in this case 
>would
>have values
>
>0 0 0 1 0 0 0 0 1 0 1 0 0 0 0
>
>many thanks for the suggestions you are likely to make.
>
>Alexander Nervedi
>
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