More Related Content Similar to NY R Conference talk (20) NY R Conference talk2. About Me
➔ R User ~ 6 years
➔ Data Scientist at DataCamp
➔ Enjoy talking about:
◆ A/B testing
◆ Building and finding data
science community
◆ R
9. Coherent system of packages for
data manipulation, exploration,
and visualization that share a
common design philosophy
17. Some steps of a data analysis workflow
➔ View dataset in console
➔ Inspect missing values
➔ Examine some columns
➔ Make a plot
➔ Do something cool and new!
19. Prints only 10 rows and the columns that fit on the screen
Solution: as_tibble()
23. Problem: how I can I do this quickly?
+
Skimr
Solution: dplyr::select_if() + skimr::skim()
Step 3: examine your numeric columns
24. Problem: it has multiple answers in each row
Step 4: examine a single column
33. Part 1: Use reprex() to find any problems
Credit: Nick Tiernay, https://www.njtierney.com/post/2017/01/11/magic-reprex/
34. Part 2: Use reprex() to post your question or issue
Credit: Nick Tiernay, https://www.njtierney.com/post/2017/01/11/magic-reprex/
44. The tidyverse
Come for the stickers and
package names …
Stay for the friendly
community and happy
workflow