RP0101EN R for Data Science -Module 4 _Question_2 is not clear
Which of the following are true?
1. read.csv() can be used to read in CSV files
2. You need to install libraries, such as the “readxl” library, to read Excel files into R
3. You can load specified datasets or list the available datasets using data()
4. You can write to a variety of filetypes, including .txt, .csv, .xls, .xlsx, and .Rdata.
I was marked wrong for choosing 2,3,4 options. It seems all the four options are true. Can someone please explain.