[R] Plot using colors

Henrique Dallazuanna wwwhsd at gmail.com
Mon Mar 3 12:38:31 CET 2008


You want just the points with colors?

var <- rnorm(10)
vars <- rnorm(10)

plot(var, type='l')
points(var, col=ifelse(var < vars, 'green', 'red'), pch= 16)

or

the lines also?

for(i in 1:9)segments(i, var[i], i + 1, var[i+1], ifelse(var[i] <
vars[i], 'green', 'red'))


On 03/03/2008, mysimbaa <adel.tekari at sisltd.ch> wrote:
>
>  Dear R users,
>  I have a problem since I try to plot my datas with different colors.
>
>  plot(tvar, var, xlab="zeit [s]",ylab="Variation [%]",  col = ifelse(var <=
>  varstability, 'green','red'))
>  this works well!
>
>  But since I add a type="l" to my plot, it will color all the plot with
>  green!!!
>  Is there any solution? I avoid to use teachingDemos.
>
>  Thanks.
>  --
>  View this message in context: http://www.nabble.com/Plot-using-colors-tp15799930p15799930.html
>  Sent from the R help mailing list archive at Nabble.com.
>
>  ______________________________________________
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>  and provide commented, minimal, self-contained, reproducible code.
>


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O



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