change tile height dynamically

[beamgau]

Hi everyone,

i want to visualize some dichotomous patterns over time (e.g. 1001)
and their frequency. My plot looks good already:

df = data.frame(name = rep(c("A", "B"), each = 4), Freq =
rep(c(3, 6), each = 4), variable = rep(1:4, 2), value = sample(c(0,1),
8, replace = TRUE))

ggplot(df, aes(variable, name, fill = value)) +
geom_tile(colour = "white")

I now want to map the frequency on tiles height:

ggplot(df, aes(variable, name, fill = value)) +
geom_tile(colour = "white")

This seems to work, but since my Freqs are > 1, the categories seem to
overplot. I guess, one would need to change the breaks on the y-axis?
Could someone suggest how to do this dynamically?

Best, Felix

[Adam_L...@keybank.com]

Does this help?

ggplot( df, aes( variable, name,fill=value))+
geom_tile(aes(height=sqrt(Freq/max(Freq)),fill=value))

I'm sure one of the experts here has something better, but I happen to have this.


Adam Loveland

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[Felix Fischer]

Dear Adam,

thanks for your suggestion.

However, i would prefer that double Freq would mean double height of the tile, and that there is no free space between the tiles (vertically).

Best,
Felix

-------- Original-Nachricht --------
> Datum: Thu, 9 Feb 2012 11:47:11 -0500
> Von: Adam_L...@KeyBank.com
> An: beamgau <bea...@gmx.de>
> CC: ggplot2 <ggp...@googlegroups.com>
> Betreff: Re: change tile height dynamically

> Does this help?
>
> ggplot( df, aes( variable, name,fill=value))+
> geom_tile(aes(height=sqrt(Freq/max(Freq)),fill=value))
>
> I'm sure one of the experts here has something better, but I happen to
> have this.
>
>
> Adam Loveland
>
>
>
>
>
> From: beamgau <bea...@gmx.de>
> To: ggplot2 <ggp...@googlegroups.com>
> Date: 02/09/2012 11:10 AM
> Subject: change tile height dynamically
> Sent by: ggp...@googlegroups.com
>
>
>
>

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[Hadley Wickham]

>
> However, i would prefer that double Freq would mean double height of the tile, and that there is no free space between the tiles (vertically).

Like this?

gplot(df, aes(variable, y= Freq, fill = value)) + geom_bar(stat = "identity")

Hadley

--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/

[Adam_L...@keybank.com]

Here's an option...

df = data.frame(name = rep(c("A", "B","C","D"), each = 4), Freq =
rep(c(3, 6,12,36), each = 4), variable = rep(1:4, 4), value = sample(c(0,1),
16, replace = TRUE))

ggplot(df,aes(variable,name,fill=value))+
geom_tile(aes(height=Freq/sum(Freq),fill=value))



Adam Loveland

[Felix Fischer]

Hello Hadley,

yes, i think, that works, when i tweak the axis a little.

Best,
Felix

-------- Original-Nachricht --------
> Datum: Fri, 10 Feb 2012 07:22:05 -0600
> Von: Hadley Wickham <had...@rice.edu>
> An: Felix Fischer <Bea...@gmx.de>
> CC: Adam_L...@keybank.com, ggp...@googlegroups.com

> Betreff: Re: change tile height dynamically

> >

--

[Adam_L...@keybank.com]

I'm not sure  there's a way to do this so that there's no vertical space between the tiles.

And the approach below doesn't include the variable, "name," so I'm not sure how it's a solution.

Adam Loveland





From:        Hadley Wickham <had...@rice.edu>
To:        Felix Fischer <Bea...@gmx.de>
Cc:        Adam_L...@keybank.com, ggp...@googlegroups.com
Date:        02/10/2012 08:23 AM