Data-Centric Statistical Inference Using R and Tidyverse/

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Test Your Skills on Data Wrangling

Test yourself on the concepts of data wrangling.

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Multiple choice questions

What’s another way of using the “not” operator ! to filter only the rows that aren’t going to Burlington, VT or Seattle, WA in the flights data frame?

not_BTV_SEA <- flights %>%  filter(!dest == "BTV" & !dest == "SEA")

not_BTV_SEA <- flights %>%
  filter(dest != "BTV" & dest != "SEA")

Both A and B

None of the above

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Getting Started with Data in R

Data Visualization

Data Wrangling

Data Importing and “Tidy” Data

Basic Regression

Multiple Regression

Statistical Inference with the infer Package

Bootstrapping and Confidence Intervals

Hypothesis Testing

Inference for Regression

Price Prediction With Regression Analysis in R

Tell a Story with Data

Appendix

Uber Data Analysis Using the R Language

Test Your Skills on Data Wrangling