University Solutions Hub provides Big Data Tools Week 5 solution (Big Data Tools).

Homework # 5 : Data Wrangling

Create a new connection to your Spark cluster -. sc
Make sure that you are using the correct version of Java
Execute the following code:
summarize_all(cars, max)
summarize_all(cars, min)
summarize_all(cars, mean)
summarize_all(cars, mean)%>%
show_query()
cars %>%
mutate(transmission = ifelse(am ==0, "automatic", "manual")) %>%
group_by(transmission) %>%
summarize_all(mean)

Submit a Word doc with screens showing the results of the code along with a timestamp in R and explain in detail what each element is doing in each line of code.

Discussions:

Read this article about doing statistics with categorical variables. Write at least 500 words discussing how to use these statistics to help understand big data.

Note:

  • Only for knowledge gain and helping to the students(who are facing difficulties when solving to the Assessments/ Home works) with their course support.

Contact Us: