More datasets

Welcome to the Logistic regression chapter.

During the next exercises, we will be combining, wrangling and analysing two new data sets retrieved from the UCI Machine Learning Repository, a great source for open data.

The data are from two identical questionaires related to secondary school student alcohol comsumption in Portugal. Read about the data and the variables here.

R offers the convenient paste() function which makes it easy to combine characters. Let's utilize it to get our hands on the data!

Create and print out the object url_math.
Create object math by reading the math class questionaire data from the web address defined in url_math.
Create and print out url_por.
Adjust the code: similarily to url_math, make url_por into a valid web address using paste() and the url object.
Create object por by reading the portuguese class questionaire data from the web address defined in url_por.
Print out the names of the columns in both data sets.

Exercise

More datasets

Instructions

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Instructions

Exercise