itpetersen questions

• R package documentation: "Found the following apparent S3 methods exported but not registered"
• Creating PDF from R Markdown in a different file location
• How to include R6 objects to share data across modules in golem Shiny app
• Conditional running count (cumulative sum) with reset in R (dplyr)
• Add missing rows to data.table according to multiple keyed columns
• Scrape password-protected website in R
• Generate N random integers that sum to M in R
• Extract second subelement of every element in a list while ignoring NA's in sapply in R

itpetersen answers