Peter Carl
http://www.braverock.com/~peter
> Hi,
>
> Let say I have this data frame.
>
>> tickers <- toupper(letters[1:5])
>> market.cap <- c(100, 60, 700, 1500, 450)
>> change <- c(0.02, 0.004, 0.0012, 0.001, 0.030
>> data <- data.frame(tickers, market.cap, change)
>> data
> tickers market.cap change
> 1 A 100 0.0200
> 2 B 60 0.0040
> 3 C 700 0.0012
> 4 D 1500 0.0010
> 5 E 450 0.0300
>
> and I'd like to plot a heatmap whose market cap is proportional to the
> size of the cell, similar to http://finviz.com/map.ashx. Could
> somebody please give me a pointer? Thanks.
>
> -k
>
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