lmo questions

lmo answers

• Merge two data frames by grepl in R
• Creating an unorthodox dummy variable
• Create id sequence for flag with specific condition
• Reorder Dataframe based on Character Vector
• Calculate Change Using Lag Function with Year Gaps in R [duplicate]
• Expanding a row into multiple rows on splitting string
• How to use lapply to create new variables in a dataframe and rename them
• Nested rolling sum in vector
• R transform data with multiple values
• How to find the index based on the gathered population