> And, at long last, we have arrived at the actual root cause of homelessness: housing costs. To prove this point the author shows 4 graphs with R^2 values of

> And, at long last, we have arrived at the actual root cause of homelessness: housing costs. To prove this point the author shows 4 graphs with R^2 values of 0.55, 0.27, 0.24, and 0.28. That's a tough sell, especially when the non-underlined portion of the abstract he showed reads: > most people with substance-abuse issues remain homeless for 12 months or longer.