Import Excel files from the web

When working with multiple data sources, .xls is a common format for storage and exchange. You have been provided with a URL which you'll be using to download and import a .xls file. The URL is already available in the sample code. Once downloaded, you will import the file using readxl and inspect its content.

Deze oefening maakt deel uit van de cursus

Intermediate Importing Data in R

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Oefeninstructies

Load the readxl package. It is already installed on DataCamp's servers.
Use download.file() to download the .xls file behind the URL and store it locally as "local_latitude.xls".
Import the .xls file located at the URL url_xls using read_excel(). Store the resulting data frame as excel_readxl.

Praktische interactieve oefening

Probeer deze oefening eens door deze voorbeeldcode in te vullen.

# Load the readxl package


# Specification of url: url_xls
url_xls <- "https://assets.datacamp.com/production/course_1478/datasets/latitude.xls"

# Download file behind URL, name it local_latitude.xls


# Import the local .xls file

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Deze oefening maakt deel uit van de cursus

Intermediate Importing Data in R

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Exercise 1: Connect to a database Exercise 2: Establish a connection Exercise 3: Inspect the connection Exercise 4: Import table data Exercise 5: List the database tables Exercise 6: Import users Exercise 7: Import all tables Exercise 8: How do the tables relate?

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Exercise 1: SQL Queries from inside R Exercise 2: Query tweater (1)Exercise 3: Query tweater (2)Exercise 4: Query tweater (3)Exercise 5: Query tweater (4)Exercise 6: Join the query madness!Exercise 7: DBI internals Exercise 8: Send - Fetch - Clear Exercise 9: Be polite and ...

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Exercise 1: HTTP Exercise 2: Import flat files from the web Exercise 3: Secure importing Exercise 4: Downloading files Exercise 5: Import Excel files from the web

Huidige oefening

Exercise 6: Downloading any file, secure or not Exercise 7: Reading a text file from the web Exercise 8: HTTP? httr! (1)Exercise 9: HTTP? httr! (2)

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Exercise 1: APIs & JSON Exercise 2: From JSON to R Exercise 3: Import JSON data from API Exercise 4: OMDb API Exercise 5: JSON & jsonlite Exercise 6: JSON practice (1)Exercise 7: JSON practice (2)Exercise 8: toJSON()Exercise 9: Minify and prettify

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Exercise 1: haven Exercise 2: Import SAS data with haven Exercise 3: Import STATA data with haven Exercise 4: What does the graphic tell?Exercise 5: Import SPSS data with haven Exercise 6: Factorize, round two Exercise 7: foreign Exercise 8: Import STATA data with foreign (1)Exercise 9: Import STATA data with foreign (2)Exercise 10: Do you know your data?Exercise 11: Import SPSS data with foreign (1)Exercise 12: Excursion: Correlation Exercise 13: Import SPSS data with foreign (2)