Spider Plot using ggplot

[Pankaj Agarwal]

Hi,

I am new to using ggplot (R plotting in general) and trying to create a Spider Plot with ggplot.

The best I could do looks like using the following code:

> df=read.table("spaghettiPlotDataTest.tsv", header=T, sep="\t")
> str(df)
'data.frame':   31 obs. of  3 variables:
 $ Sample : int  1 2 3 4 5 6 7 8 9 1 ...
 $ Days   : int  0 0 0 0 0 0 0 0 0 30 ...
 $ Outcome: num  0.848 0.883 0.831 0.788 0.824 ...
>
> p = ggplot( df, aes( df$Days, df$Outcome, group=df$Sample ) ) +
+ geom_line(color=df$Sample)
> p

I am trying to get a legend on the right and also the following:

 - change x y labels
 - circles or some other shape at the point where two different lines join.
 - specify the thickness of the lines, different for different samples if possible.
 - control the color of the lines, different for different samples groups if possible.

An example of what I am trying to achieve is given in Figure 2 of the following link:

SpiderPlotExample

The full data set is attached.

Thank you for your help.

- Pankaj

[romunov]

Hi,

- see xlab() and ylab()
- you will have to calculate intersection points and plot circles on those coordinates
- map line thickness in aes() to that variable
- ibidem

You might want to check out http://docs.ggplot2.org/current/

Cheers,
Roman

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