Andrew Gustar questions

Andrew Gustar answers

• Assign a vector element to another element in the same vector that is not itself (Secret Santa algorithm)
• Convert time don't work on a column's dataframe
• ggplot2 geom_line() arrow direction between specific values
• Substituting a substring with another string for each line of a dataframe in R
• geom_text(), plotmath, and %
• Human color spectrum for plot background
• Y axis doesn't display in R histogram of relative frequencies
• How do I weigh stat_smooth with the inverse of the number of values in ggplot2
• applying function to each group using dplyr and return specified dataframe
• Concatenate string columns and order in alphabetical order