help()
 <- rt(200, df = 5)#
qqnorm(y); qqline(y, col = 2)#
qqplot(y, rt(300, df = 5))#
#
qqnorm(precip, ylab = "Precipitation [in/yr] for 70 US cities")
chi
help.start()
chisq(0.5)
plot(chisq(0.5))
plot(chisq(0))
plot(chisq())
execute r_commands.r
execute "r_commands.r"
execute("r_commands.r")
run("r_commands.r")
exec("r_commands.r")
source("r_commands.r");
source("r_commands.r");
source("../r_commands.r");
source("../r_commands.r");
source("../r_commands.r");
