mislam Math 6820 Blog

I had  difficulty adding the text for reference line . I do not know how to add this kind of text showing what the reference line means. In addition, when I open the windows() device for controlling the size of the plot areas, windows() and mtext are not working well.  That’s why ,after blocking the windows(),  I have created the graph. When I control the outer=”F” in mtext , then windows() and mtext work. However, if I open outer=”T” in mtext, the writing will not appear in the graph.  These are the major challenges I  have faced while drawing this graph.

R code

png("Tuition_Growth_at_BGSU.png")


Ins.Fee<-read.csv("instructional_fee.csv")

attach(Ins.Fee)
par(oma=c(0,0,4,0))

#windows(width=6, height=7, pointsize=10)


plot(Year,log10(Fees), lwd=3,pch=19,xlab="Time" , ylab=" Log of Fees",cex= 1.2,main="Instructional Fees over time" ,type="b" )

 

mtext("The data present the instructional fees over time at BGSU. 
      Over time tuition fees linearly increased.", 
      outer=T, cex=1.3, col="blue", side=3)


abline(v=2008, text(2002,2.5,"My college Year"),lty=3)
text(2002,2.5,"My college Year")

dev.off()