Potpourri: Statistics #56

526. Hands-on Machine Learning with R527. The Truth About Linear Regression528. Data Viz Book Reviews529. Make Multi-point “dumbbell” Plots in ggplot2530. Storyline531. City Intelligence Data Design Guidelines532. shinyApp(), runApp(), shinyAppDir(), and a fourth option533. Reordering and facetting for ggplot2534. R Docker tutorial535. ~~S4: a short guide for the perplexed~~536. Introducing trendyy537. R you ready to make charts?538. ~~Ten more random useful things in R you may not know about~~539. Testing statistical software540. Tidy Data Science Workshop541. Using tidyverse tools with Pew Research Center survey data in R542. A Gentle Introduction to tidymodels543. ~~Changing Glyph in legend in ggplot2~~544. Practical Data Science: an introduction to the PeerJ collection