[R] Drawing circles on a chart

[Gabor Grothendieck]

On Tue, Nov 2, 2010 at 10:07 PM, Santosh Srinivas
<santosh.srinivas at gmail.com> wrote:
> Dear Group,
> I have the following data matrix which is a timeseries.
>
>> dput(tData)
> structure(list(A = c(0.2, 0.13, 0.05, 0.1, 0.02, 0.18, 0.09,
> 0.06, 0.13), B = c(0.15, 0.06, 0.09, 0.02, 0.03, 0.12, 0.01,
> 0.15, 0.06), C = c(-0.1, 0, -0.07, -0.06, -0.05, -0.05, -0.06,
> -0.08, -0.07), D = c(-0.15, -0.05, -0.1, -0.03, -0.13, -0.04,
> -0.1, -0.04, -0.15), E = c(-0.17, -0.16, -0.08, -0.07, -0.09,
> -0.14, -0.1, -0.05, 0)), .Names = c("A", "B", "C", "D", "E"), class =
> "data.frame", row.names = c(NA,
> -9L))
>
>
> I am trying to display this data in a graphic. The values vary from -0.2 to
> +0.2
> There should be a table with 5 Rows and 9 Columns. Rows labeled A to E and
> Columns labeled 1 to 9.
> Inside each cell there should be a circle (sphere preferable) with radius of
> mod(data value). The color should be either red or green depending on -ve or
> +ve and the intensity should be based on the value of the datapoint.
>

See balloonplot in the gplots package.

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