Re: [R] Plot only a subset of all factors in dataframe

From: Domenico Vistocco <vistocco_at_unicas.it>
Date: Fri, 04 Jan 2008 18:47:10 +0100

?subset

The select argument allows to select the columns and the subset argument the rows.

domenico

Laura Hollink wrote:
> Hi all,
> I have a dataframe called 'table' in which both factors and numerical
> values are stored.
>
> > dim(table)
> [1] 990 6
>
> The fist 10 lines of table, to get an idea:
>
> > table[1:10,]
> QueryNo Query type Ret Prec Rec
> 1 1 Sports exact 1 1 0.01
> 2 5 Office exact 0 NaN 0.00
> 3 6 Meeting exact 0 NaN 0.00
> 4 7 Studio exact 0 NaN 0.00
> 5 9 Building exact 0 NaN 0.00
> 6 10 Desert exact 1 1 0.01
> 7 12 Mountain exact 0 NaN 0.00
> 8 13 Road exact 0 NaN 0.00
> 9 14 Sky exact 0 NaN 0.00
> 10 15 Snow exact 0 NaN 0.00
>
> I want to plot column 5 (numerical values) against column 3 (factors).
>
> plot(table[,c(3,5)]) works fine.
>
> However, I don't want to include all 30 levels of the factor in the
> plot. I would like a plot of just 5 factors: "exact", "broader1",
> "narrower4", etc.
>
> Could anyone tell me how to do this, or where to find information about
> this?
>
> Thanks!
> Laura
>
> ______________________________________________
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>
>



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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Fri 04 Jan 2008 - 17:51:07 GMT

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