user1491868 questions

• R sample from unbalanced panel data
• R rugarch solver fails to converge
• R use mapply on nested list
• R find last weekday of month
• R remove rows from panel while keeping the panel balanced
• R Time Series Object ts() Date of Minimum and Maximum
• R count NA by group
• R lapply different function to each element of list
• Add variable to nested list
• R convert data.frame to list by column

user1491868 answers