Practice Examples 1
Step 1
Install swirl in Rstudio.
install.packages("swirl")
library(swirl)
install_from_swirl("R Programming Alt") # this may take a while (10-30 min)
You can start swirl by issuing swirl(). After restarting Rstudio, you should
type library(swirl) before you can run swirl().
Step 2
Work through the following lessons (each of which may take 10-20 minutes depending on your pace):
- Basic Building Blocks
- Sequences of Numbers
- Vectors
- Missing Values
- Subsetting Vectors
- Matrices and Data Frames
At the end of each lesson answer “Yes” to the question: “Would you like to inform someone about your successful completion of this lesson?”. Give your name and my email address (divenyi_janos@phd.ceu.edu), and send the email about the completion.
Additional
Read the Economists’ interesting (and short) article about coding.