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| # | |
| # commit-weekhour.R, 22 Feb 16 | |
| # | |
| # Data from: | |
| # Do time of day and developer experience affect commit bugginess? | |
| # Jon Eyolfson and Lin Tan and Patrick Lam | |
| # | |
| # Example from: | |
| # Empirical Software Engineering using R | |
| # Derek M. Jones | |
| source("ESEUR_config.r") | |
| pal_col=rainbow(2) | |
| # id repository_id raw_author_id sha1 merge utc_time local_time | |
| commits=read.csv(paste0(ESEUR_dir, "time-series/commits/scc_commit.tsv.xz"), sep="\t", as.is=TRUE) | |
| commits$sha1=NULL | |
| # 2011-09-09 11:30:27 | |
| commits$utc_time=as.POSIXct(commits$utc_time, format="%Y-%m-%d %H:%M:%S") | |
| commits$local_time=as.POSIXct(commits$local_time, format="%Y-%m-%d %H:%M:%S") | |
| day_secs=60*60*24 | |
| week_secs=day_secs*7 | |
| week_hr_secs=0:(24*7-1) | |
| # 1-Jan-1970 is a Thursday | |
| shift_weekend=3*day_secs | |
| plot_commits=function(df, col_str) | |
| { | |
| local_time=round(df$local_time, units="hours") | |
| lines(week_hr_secs, table((as.numeric(local_time)+shift_weekend) %% week_secs), col=col_str) | |
| } | |
| plot(week_hr_secs, type="n", | |
| xaxt="n", | |
| ylim=c(0, 4500), | |
| xlab="", ylab="Commits within hour\n") | |
| # Linux | |
| plot_commits(subset(commits, repository_id == 1), pal_col[1]) | |
| # FreeBSD | |
| plot_commits(subset(commits, repository_id == 5), pal_col[2]) | |
| axis(1, at=seq(0, 24*7, by=24), hadj=0, | |
| labels=c("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Mon")) | |
| legend(x="topright", legend=c("Linux", "FreeBSD"), | |
| bty="n", fill=pal_col, cex=1.2) | |