GIGO..........

"We're capturing some new home data that should have been
filtered out and we also discovered that some properties were
being listed in more than one list."

The National Association of Realtors overstates the number of
houses sold since 2007?   Imagine my surprise.  Story here

My favorite National Association gets schooled on the art of
presenting accurate statistics.  You'd think they were bloggers
or something.