G5W questions

G5W answers

• What is wrong with this date and time?
• Adding a legend to a plot
• Quickly calculate the number of shared neighbor between any pair of nodes from an adjacency matrix
• regex replace parts/groups of a string in R
• Summarizing data in table by group for each variable in r
• Displaying the contents in local language : R
• How can I tell R to round correctly?
• R - Using corrplot with different variables on x and y axes
• Creating a legend in R with matching color and line shape
• R igraph: Color Vertices by column content