how to change the numbering of rows in r
# Create a sample data frame
df <- data.frame(name = c("Alice", "Bob", "Charlie"),
age = c(25, 30, 22))
# Add a new column with the row numbers
df$row_number <- seq_len(nrow(df))
# Create a sample data frame
df <- data.frame(name = c("Alice", "Bob", "Charlie"),
age = c(25, 30, 22))
# Add a new column with the row numbers
df$row_number <- seq_len(nrow(df))