[R] Color in stripchart

[Dr. Robin Haunschild]

Dear Rasmus,

there is no difference in the small exmaple, because there is only one
point per year.

If you use the example with multiple points per year, you will see the
difference.

Best, Robin


On 3/10/21 3:15 PM, Rasmus Liland wrote:
> Dear Robin and Gerrit,
> 
> I am unable to see the difference in the 
> plot in the two cases ... 
> 
> 	df <- data.frame(year = seq(2011, 2018), value = seq(10, 80, 10))
> 	df$color <- 'black'
> 	df[df$value<33,]$color <- 'blue'
> 	df[df$value>66,]$color <- 'red'
> 	
> 	file <- "/tmp/robin.png"
> 	width <- 1000
> 	height <- 1000
> 	res <- 150
> 	png(file=file, width=width, height=height, res=res)
> 	par(mfrow=c(2,1))
> 	
> 	stripchart(df$value ~ df$year, pch=18, col=df$color, method='stack', main="stripchart with color column as col")
> 	
> 	stripchart(df$value ~ df$year, pch=18, method='stack', main="stripchart with black basis")
> 	points(df[df$color=='blue',]$value, df[df$color=='blue',]$year-2010,
> 	type='p', pch=18, col='blue')
> 	points(df[df$color=='red',]$value, df[df$color=='red',]$year-2010,
> 	type='p', pch=18, col='red')
> 	
> 	dev.off()
> 
> Best,
> Rasmus
> 
> 
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-- 
Dr. Robin Haunschild
Max Planck Institute for Solid State Research
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