Permalink
Cannot retrieve contributors at this time
Join GitHub today
GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.
Sign up
Fetching contributors…
Cannot retrieve contributors at this time
| # | |
| # VGChartz-sales.R, 22 Apr 17 | |
| # Data from: | |
| # VGChartz | |
| # VGChartz Global Yearly Chart: 2005-2016 | |
| # | |
| # Example from: | |
| # Empirical Software Engineering using R | |
| # Derek M. Jones | |
| source("ESEUR_config.r") | |
| pal_col=rainbow(4) | |
| plot_sales=function(df) | |
| { | |
| hard=subset(df, hardware == 1) | |
| soft=subset(df, hardware != 1) | |
| if (max(hard$sales, rm.na=TRUE) < 12) | |
| return() | |
| lines(hard$year, hard$sales, type="b", lty=3, col=pal_col[col_num]) | |
| lines(soft$year, soft$sales/soft_scale, col=pal_col[col_num]) | |
| col_num <<- col_num+1 | |
| } | |
| games=read.csv(paste0(ESEUR_dir, "economics/VGChartz-sales.csv.xz"), as.is=TRUE) | |
| games$sales=games$sales/1e6 | |
| col_num=1 | |
| plot(0, type="n", | |
| xlim=c(2005, 2016), ylim=c(1, 36), | |
| xlab="Year", ylab="Hardware sales (millions)") | |
| soft_scale=5 | |
| soft_pts=c(0, 10, 20, 30, 40) | |
| axis(side=4, at=soft_pts, labels=soft_pts*soft_scale) | |
| mtext("Software sales (millions)", side=4, las=0, padj=3, cex=0.75) | |
| plot_sales(subset(games, product == "Wii")) | |
| plot_sales(subset(games, product == "PS3")) | |
| plot_sales(subset(games, product == "X360")) | |
| legend(x="topright", legend=c("Wii", "PS3", "X360"), bty="n", fill=pal_col, cex=1.2) | |
| # library("plyr") | |
| # d_ply(games, .(product), plot_sales) | |