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| # | |
| # os-features.R, 31 Aug 16 | |
| # | |
| # Data from: | |
| # Performance Variance Evaluation on Mozilla Firefox | |
| # Jan Larres | |
| # | |
| # Example from: | |
| # Empirical Software Engineering using R | |
| # Derek M. Jones | |
| source("ESEUR_config.r") | |
| library("plyr") | |
| library("reshape2") | |
| library("lattice") | |
| # Normalised all results by the original data | |
| normalise_results=function(df) | |
| { | |
| t=mean(df$with_noise) | |
| df$Original=df$with_noise/t | |
| df$Stablised=df$less_noise/t | |
| return(df) | |
| } | |
| os_features=read.csv(paste0(ESEUR_dir, "benchmark/os-features.csv.xz"), as.is=TRUE) | |
| n_t=ddply(os_features, .(program), normalise_results) | |
| # Display first six sets of results | |
| n_t=subset(n_t, program %in% unique(n_t$program)[1:6]) | |
| n_t$with_noise=NULL | |
| n_t$less_noise=NULL | |
| m_t=melt(n_t, id.vars="program") | |
| brew_col=rainbow_hcl(2) | |
| # boxplot(Original ~ program, data=n_t, notch=TRUE) | |
| t=bwplot(value ~ variable | program, data=m_t, | |
| panel=panel.violin, col="yellow", | |
| par.strip.text=list(cex=0.75), | |
| scales=list(y=list(cex=0.8)), | |
| ylab="Normalised performance") | |
| plot(t, panel.height=list(2.0, "cm"), | |
| panel.width=list(3.0, "cm")) | |