AndS. questions

AndS. answers

• Remove vertical line in legend caused by geom_vline in ggplot
• Color code a scatter plot by group with a gradient
• Plotting a fancy diagonal correlation matrix with coefficients in upper triangle
• Create new column based on last 2 digits of values in another column
• Overlay two ggplots with different x and y axes scales
• Identify match by row, and create column with the column name of the match
• Extracting 5 words before and after an specific word
• using the %in% operator on multiple columns
• String between first two (.dots)
• R ggplot: "cross effect" in legend (not going away with show.legend = NA)