[英]How to produce a better visualization of data in terms of stacked bar plot in R?
I ran a program with different threads in two configurations a
and b
. 我在两个配置
a
和b
运行了一个具有不同线程的程序。 I breakdown its timings into btime
, stime
, and vtime
. 我把它的时间分解为
btime
, stime
和vtime
。 Please see below for the data. 请参阅下面的数据。 I need to draw stacked plot as you can see below.
我需要绘制堆积图,如下所示。 However, I face difficulty in representing both the number of threads and configs as x-axis labels in R. Could some one help to produce a better representation of this data in terms of stacked plots in R please.
但是,我很难将线程和配置的数量表示为R中的x轴标签。有些人可以帮助在R请求的堆积图中更好地表示这些数据。 Please see the figure and the R code I am using below.
请参阅下面的图和我正在使用的R代码。
Data: 数据:
config threads btime stime vtime
a 2 0.08 0.32 0.09
b 2 0.32 0.19 0.16
a 4 3.72 2841.13 0.22
b 4 18.21 2865.79 5.12
a 8 5.45 2824.46 4.77
b 8 23.27 2790.14 11.89
a 16 57.63 3302.55 94.25
b 16 62.41 4041.19 82.56
a 32 119.08 3705.62 210.14
b 32 183.01 4411.14 234.17
a 64 211.51 2823.69 270.38
b 64 364.38 4091.97 387.83
R code R代码
> barplot(t(data1[c(3:5)]), ylab="Time(seconds)", sp=c(0.1, 0.2, 1.0, 0.2, 1.0, 0.2, 1.0, 0.2, 1.0, 0.2, 1.0, 0.2),col=c("white","gray20","gray60"))
> legend("topleft",legend=c("btime","stime","vtime"), bty="n",cex=1.5 , horiz=T, adj=0.2, fill=c("white","gray20","gray60"))
ggplot and lattice are very helpful here, however it is useful to think of the data in a different manner: you will want to represent it as something like ggplot和lattice在这里非常有用,但是以不同的方式考虑数据是有用的:你会想要将它表示为类似的东西
config threads time_type time_value
[...] [...] vtime 0.03
melt from reshape accomplishes this (see tutorial http://www.statmethods.net/management/reshape.html ) 来自重塑的融化实现了这一点(参见教程http://www.statmethods.net/management/reshape.html )
Then, you can do a plot of something like... qplot(config, time_value, data=data, group=time_type, fill=time_type, geom="barplot", facets= .~threads)
然后,你可以做一些类似的事情...
qplot(config, time_value, data=data, group=time_type, fill=time_type, geom="barplot", facets= .~threads)
(tutorial @ http://www.r-bloggers.com/basic-introduction-to-ggplot2/ ) (教程@ http://www.r-bloggers.com/basic-introduction-to-ggplot2/ )
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