fprd questions

• Finding elements in a vector that are duplicated or that are not in another vector
• plot plate layout heatmap in r
• connecting all points (possible conbination) in scatter plot
• recoding data in r
• shading certain area in graph - a combination of lines and point plots in base R
• connecting line like tree in r
• cluster presentation dendrogram alternative in r
• pictorial chart in r

fprd answers