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| # | |
| # ibm-os-growth.R, 1 Jul 17 | |
| # Data from: | |
| # SOFTWARE ENGINEERING Report on a conference sponsored by the {NATO} SCIENCE COMMITTEE | |
| # Peter Naur and Brian Randell | |
| # | |
| # Example from: | |
| # Empirical Software Engineering using R | |
| # Derek M. Jones | |
| source("ESEUR_config.r") | |
| plot_model=function(df, pos_val=4) | |
| { | |
| text(df$year[1], df$instructions[1]/(2^10), df$model[1], pos=pos_val) | |
| } | |
| ibm_os=read.csv(paste0(ESEUR_dir, "ecosystems/ibm-os-growth.csv.xz"), as.is=TRUE) | |
| plot(ibm_os$year, ibm_os$instructions/(2^10), log="y", col=point_col, | |
| xlab="Year", ylab="Instructions (K)\n") | |
| dummy=sapply(c(1, 3:9, 11:13), function(X) plot_model(ibm_os[X, ])) | |
| dummy=sapply(c(2, 10, 14, 15), function(X) plot_model(ibm_os[X, ], 2)) | |