readxl (1)

Introduction to Importing Data in R

Filip Schouwenaars

Instructor, DataCamp

Microsoft Excel

Common data analysis tool
Many R packages to interact with Excel
readxl - Hadley Wickham

Typical Structure Excel Data

Different sheets with tabular data

Screen Shot 2019-07-15 at 3.27.34 PM.png

readxl

excel_sheets()
- list different sheets
read_excel()
- actually import data into R

install.packages("readxl")
library(readxl)

excel_sheets()

dir()

"cities.xlsx"  "the_rest_is_secret.txt"

excel_sheets("cities.xlsx")

"year_1990" "year_2000"

read_excel()

read_excel("cities.xlsx")

# A tibble: 4 × 2
    Capital Population
      <chr>      <dbl>
1  New York   16044000
2    Berlin    3433695
3    Madrid    3010492
4 Stockholm    1683713

read_excel("cities.xlsx", sheet = 2)
read_excel("cities.xlsx", sheet = "year_2000")

# A tibble: 4 × 2
    Capital Population
      <chr>      <dbl>
1  New York   17800000
2    Berlin    3382169
3    Madrid    2938723
4 Stockholm    1942362

Let's practice!

Introduction to Importing Data in R