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Fundamentals of R (RStudio)

Bring it All Together (Data Wrangling)

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View code shown in video 
# Load Packages -----------------------------------------------------------

library(tidyverse)
library(janitor)

# Import Data -------------------------------------------------------------

# Data from https://github.com/rstudio/r-community-survey

survey_data <- read_tsv("2020-combined-survey-final.tsv") |> 
  clean_names()

survey_data |> 
  select(contains("enjoy"))

survey_data |> 
  filter(is.na(qr_enjoyment)) |> 
  select(qr_enjoyment)

survey_data |> 
  glimpse()

avg_r_enjoyment <- survey_data |> 
  drop_na(qr_enjoyment) |> 
  group_by(qcountry) |> 
  summarize(avg_enjoyment = mean(qr_enjoyment),
            n = n()) |> 
  filter(n >= 10) |> 
  arrange(desc(avg_enjoyment))

Learn More

If you want to see a visual representation of how the various dplyr functions you've learned in this section of the course work, check out the Tidy Data Tutor website.

A less visual, though equally useful, approach is the tidylog package. It gives you feedback on each step of your pipeline, showing the data was transformed.

Have any questions? Put them below and we will help you out!

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Course Content

34 Lessons