##### Graphing With R

There are a number of ways in ggplot to express your data. The first are the geometric objects: geom_bar(): Bar charts geom_point(): Points – great for scatter plots geom_line(): Line charts geom_boxplot(): A box & whiskers plot geom_smooth(): Smoothed means with CI geom_histogram(): Histogram geom_density(): Smoothed density plot geom_qq(): A quantile-quantile plot geom_errorbar(): Error bars... » read more