Len Kiefer

Helping people understand the economy, housing and mortgage markets


  1. Rate Cloud

    Let's make a new mortgage rate dataviz.

  2. Pipe Tweenr

    In this post we make some animated data visualizations using R and tweenr. We try out some of the new features in the tweenr package.

  3. Forecasting Game

    What's a forecaster to do? We look at a forecasting game and determine the optimal communication strategy for a forecaster who predicts a binary outcome.

  4. Charting Jobs Friday with R

    Chart Jobs Friday using R.

  5. Rock that dadbod plot!

    Spring is nearly upon us, or at least we can hope. Let's examine how housing activity typically rounds into shape as the weather warms up. We'll make some fun plots with R.

  6. Employment growth and house price trends

    Let's examine house price and employment trends. And yes, le'ts try out that crazy bivariate tilegrid map.

  7. Comparing recent periods of mortgage rate increases

    In this post we compare recent periods of mortgage rate increases. We'll remix a chart and try out some alternatives to visualize periods of rising rates.

  8. Plotting U.S. Macroeconomic Trends with FRED and R

    Let's plot recent U.S. macroeconomic trends with R.

  9. Housing construction and employment trends

    The U.S. isn't building enough homes to meet demand. One reason often cited is a lack of labor. How do construction trends compare to construction employment? Let's take a look.

  10. 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.