[R] Barplot

[Jacques VESLOT]

barplot(t(sapply(split(z1[,1:8], z1$V9),colSums)), beside=T)
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Jacques VESLOT

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Muhammad Subianto a écrit :
> Dear all,
> I have a dataset. I want to make barplot from this data.
> Zero1 <- "
>    V1 V2 V3 V4 V5 V6 V7 V8       V9
> 1   1  0  0  0  1  0  0  0 Positive
> 2   0  0  1  0  1  0  1  1 Negative
> 3   0  0  1  0  0  0  1  1 Positive
> 4   0  1  0  1  1  1  0  1 Negative
> 5   0  0  1  0  1  1  0  0 Positive
> 6   0  1  0  0  1  1  1  1 Negative
> 7   1  0  1  1  1  1  1  1 Negative
> 8   0  0  0  0  1  0  0  1 Negative
> 9   0  1  1  1  1  0  0  1 Negative
> 10  0  0  0  1  1  0  1  0 Positive
> 11  0  0  0  0  1  0  0  1 Negative
> 12  0  0  1  1  1  1  1  0 Positive
> 13  0  1  1  0  1  1  1  1 Negative"
> 
> z1 <- read.table(textConnection(Zero1), header=TRUE)
> z1
> str(z1)
> 
> A simple way I can use mosaic plot
> mosaicplot(table(z1))
> library(vcd)
> mosaic(table(z1))
> 
> I have tried to learn ?xtabs ?table and ?ftable but I can't figure out.
> I need a barplot for all variables and the result maybe like
> 
> |   |                              |   |
> |   |   | |   |   |            |   |   |
> |pos|neg| |pos|neg|            |pos|neg|
> |   |   | |   |   |            |   |   |
> --------- ---------            ---------
>     v1        v2    v3 .... v7     v8
> 
> Thanks you for any helps.
> Regards, Muhammad Subianto
> 
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