It explains when logarithmic graphs with base 2 are preferred to logarithmic graphs with base 10. It also explains several advantages that dot plots have over bar charts.

Since 2011, the Fed has published a chart known as the “dot plot,” which map out policymakers’ expectations for where interest rates could be headed in the future.

The Federal Reserve’s latest dot plot of interest rate projections signalled a total of four interest rates rises this year and put the median view of the federal funds rate at 2.4 per cent at ...

A look at the dot-plot in June, the last time the Fed updated the chart, showed that no one expected rates to finish the year at their current level. Here is the dot plot from the June meeting: ...