broccoli questions

• Python regular expression, matching the last word
• R data.table subsetting within a group and splitting a data table into two
• Memory error while using write.csv
• Output of quantile to a data frame
• R ggplot2 fonts issue
• R generating a sparse matrix
• R data.table replace NA with mean for numeric columns and most frequent value for nominal values
• R data.table finding the mode for a group of data
• R data.table doing an inner join on a field and operating on another?
• Trapping signals cleanly in Perl

broccoli answers