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| # | |
| # github-lang-use.R, 11 Jul 17 | |
| # | |
| # Data from: | |
| # Popularity, interoperability, and impact of programming languages in 100,000 open source projects | |
| # Tegawend\'{e} F. Bissyand\'{e} and Ferdian Thung and David Lo and Lingxiao Jiang and Laurent R\'{e}veill\`{e}re | |
| # | |
| # Example from: | |
| # Empirical Software Engineering using R | |
| # Derek M. Jones | |
| source("ESEUR_config.r") | |
| library("plyr") | |
| git_lang=read.csv(paste0(ESEUR_dir, "sourcecode/github-lang-use.csv.xz"), as.is=TRUE) | |
| git_lang=subset(git_lang, language != "") | |
| count_proj_lang=function(df) | |
| { | |
| return(nrow(df)) | |
| } | |
| t=daply(git_lang, .(program), count_proj_lang) | |
| # Plot complains about the log option unless the value of table is converted | |
| plot(as.vector(table(t)), log="y", type="b", col=point_col, | |
| xlab="\nLanguages used", ylab="Projects\n") | |