[R] Gantt chart like graphics

[Gabor Grothendieck]

Try gantt.chart in the plotrix package.

On Wed, May 28, 2008 at 1:54 PM, kljosc <kljosc at liwest.at> wrote:
>
> Dear R Community,
>
> I have a dataframe like this
>
> dat           product1 product2 ... productn
> 01.1.2008  1           1               1
> 02.1.2008  1           1               2
> .
> 15.2.2008  2           2               NA
> .
> 04.4.2008  2           2               1
> 05.4.2008  NA         2               NA
>
> (date ascending order, 1:n products with status 1, 2 or NA)
>
> and want to produce a graphic like this, where 1 or 2 are colored
> rectangles, NAs are white:
>
> product1 11..........2............2_
> product2 11..........2............22
> .
> .
> productn 12.........._............1_
>                 time_axis (=dat) ->
>
> which looks like a Gantt chart with multiple time slots. I have tried it
> with image() which looks good, but I don't know how to produce an y-axis
> with labels product1, etc. and a x-axis with date labels.
> Further, I want to draw a scatterplot below (using layout()) with the same
> x-axis.
> Maybe someone has a better idea which is easier to label?
>
> Regards
> Klemens
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