Len Kiefer

Helping people understand the economy, housing and mortgage markets


  1. Majestic mortgage rate plot

    COME AND MAKE A MAJESTIC MORTGAGE RATE PLOT WITH ME. We'll use R to make a fun plot showing just how low mortgage rates in the U.S. are relative to historical averages.

  2. Bivariate tilegridmaps with R

  3. ggplot as it was meant to be

  4. Mortgage Rate Kandinsky

  5. Index starting points and dataviz

  6. What's that on the horizon? An awesome dataviz!

  7. Treemapify those pies!

  8. Let's Pixelate America

  9. Mortgage rates after dark

  10. Experimenting with expanding axes