Thomas Philips questions

• Plot multiple plots that were NOT created using ggplot in a row / grid
• Resequencing the rows of an R data frame using the native pipe
• Obtain the last weekday in a month using lubridate
• R merge two dataframes by closest date [duplicate]
• Lay out multiple ggplot graphs on a page
• Problem using rowwise() to count the number of NA's in each row of a dataframe

Thomas Philips answers