Michael questions

• hourly sums with dplyr with zeros for empty hours
• Stargazer organize summary statistics by group (r) [duplicate]
• Perform 'cross product' of two vectors, but with addition
• Preventing R From Rounding
• Grouping Over All Possible Combinations of Several Variables With dplyr
• ggplot2 Force y-axis to start at origin and float y-axis upper limit
• Obtaining Separate Summary Statistics by Categorical Variable with Stargazer Package
• How to automatically load settings in R on OSX? How to find R_HOME, configure Rprofile.site, etc?
• Converting a factor to numeric without losing information R (as.numeric() doesn't seem to work) [duplicate]

Michael answers