摘要：
par(ask=TRUE) opar <- par(no.readonly=TRUE) # record current settings # Listing 11.1 - A scatter plot with best fit lines attach(mtcars) plot(wt,... 阅读全文
摘要：
# Listing 6.1 - Simple bar plot# vertical barplotbarplot(counts, main="Simple Bar Plot", xlab="Improvement", ylab="Frequency")# horizontal bar plot ba 阅读全文
摘要：
par(ask=TRUE) opar <- par(no.readonly=TRUE) # make a copy of current settings attach(mtcars) # be sure to execute this line plot(wt, mpg) abline(lm(mpg~wt)) title("Regression of MPG on Weight") ... 阅读全文
2019年7月17日
