What is the codes for question 5 by using R and RStudio? How do I save the file and load to data.frame called "mydata"?

Part A 1. Create a variable called 'mynum' that contains 5 numerics 2. Create a variable called 'mychar' that contains 2 character strings 3. Combine the two variables 'mynum' and 'mychar' into a variable called 'both' 4. What class is 'both'? Part B 5. Save the file "org_example.dta" to your working directory and load to data.frame called 'mydata' a. Get familiar with the dataset and its variables (check dimension, variable names, and structure of all variables). b. Print class, typeof, and str of variable Ifstat