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Introduction to R1
Importing data from flat files with utils
A lot of data comes in the form of flat files: simple tabular text files. Learn how to import the common formats of flat file data with base R functions.
2
readr & data.table
In addition to base R, there are dedicated packages to easily and efficiently import flat file data. We'll talk about two such packages: readr and data.table.
3
Importing Excel data
Excel is a widely used data analysis tool. If you prefer to do your analyses in R, though, you'll need an understanding of how to import .csv data into R. This chapter will show you how to use readxl to do so.
4
Reproducible Excel work with XLConnect
Beyond importing data from Excel, you can take things one step further with XLConnect. Learn all about it and bridge the gap between R and Excel.
R에서 데이터 가져오기 소개
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