This program is for generating random receipt data using for example of R practice. Here is the more information about this program. https://inghyunho.blog.me/221609247017 //preview of the article// When I was in lab, for assistance to publishing a book about statistics written in R, I have to make an example data for practicing. I need to make a hundreds of cafe recipt data. So I made a program which randomly generate the recipt data. ...