A dplyr Quiz

Kevin Feasel

2017-08-21

R

John Mount wants to know how well you understand dplyr:

dplyr is one of the most popular R packages. It is powerful and important. But is it in fact easily comprehensible?

dplyr makes sense to those of us who use it a lot. And we can teach part time R users a lot of the common good use patterns.

But, is it an easy task to study and characterize dplyr itself?

Take John’s quiz and find out.  He wasn’t kidding about it being an advanced quiz.

Related Posts

Probabilities And Poker

Steve Miller has a notebook on 5-card draw probabilities: The population of 5 card draw hands, consisting of 52 choose 5 or 2598960 elements, is pretty straightforward both mathematically and statistically. So of course ever the geek, I just had to attempt to show her how probability and statistics converge. In addition to explaining the […]

Read More

Principal Component Analysis With Stack Overflow Data

Julia Silge explains Principal Component Analysis and shows us an example using Stack Overflow data: We have tidy data, both because that’s what I get when querying our databases and because it is useful for exploratory data analysis when preparing for a machine learning algorithm like PCA. To implement PCA, we need a matrix, and […]

Read More

Categories

August 2017
MTWTFSS
« Jul Sep »
 123456
78910111213
14151617181920
21222324252627
28293031