[R] How to define desired numbers to a vector based on the present numbers
clint at ecy.wa.gov
Fri Jun 21 17:43:26 CEST 2013
I suspect the OP may want
to allow for variable numbers of unique values.
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On Fri, 21 Jun 2013, Rui Barradas wrote:
> I'm not sure I understand. You want to attribute a color number 1:7 to each
> element of your vector? Maybe the following will do.
> x <- scan(text = "
> 43 43 43 43 0 39 13 39 50 39 39 23 23 32 0 13 32 23 32 23 0 13 13 0
> cols <- rep(1:7, rle(x[order(x)])$lengths)[order(order(x))]
> plot(x, col = cols)
> Hope this helps,
> Rui Barradas
> Em 21-06-2013 16:13, Suparna Mitra escreveu:
>> Hello R experts,
>> I want to define desired numbers to a vector based on the present
>> numbers. Can anybody please help me?
>> Obviously I found worst ways to do it, but I believe there must be any
>> better way.
>> I have vector as
>>  43 43 43 43 0 39 13 39 50 39 39 23 23 32 0 13 32 23 32 23 0 13 13
>> Now I want to colour a plot with unic cols based on this vector. I want to
>> But now the problem in normal col pallet these nos has repetition. Thus I
>> tried to
>>> coll<-colorRampPalette(brewer.pal(9, "Set1"))(50)
>> and then use this vector as col.
>> But there also the colours are not enough bright.
>> So I am trying to set new a vector reading this present vector.
>> Obviously I can type out manually as
>> coll=c(rep(1,4),0,2 ....
>> But rather I am trying for some automation with which function or similar
>> But still now I am struggling with this.
>> Can anybody please help me.
>> Basic thing is some way to reads the vector and define a new col vector
>> from 1:7
>> Thanks a lot,
>> [[alternative HTML version deleted]]
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