When all estimates yield a date of birth within a 3-year range, the average was used unless one or two estimates were judged to be superior to the others.
For four short-lived species with Gen ≤ 3, estimates based on combined samples from two or three cohorts produced estimates that averaged 93% of true Ne.
Some are legitimate, but others may all too often do shoddy work and/or charge two or three times the estimate.
Although the optimal number of mixture components varied across gene sub-networks (in most cases a mixture of two or three components was estimated), similar general and condition-dependent conclusions were obtained for other gene sub-networks in the circadian rhythm pathway and thus are not presented here.
Insurers and employers say the costs could be two or three times the official estimates.
Rental houses, which occupy a small niche in the market, go for $3,200 to $4,000 a month for three or four bedrooms and two or three baths, according to estimates from real estate brokers.
In recent weeks, Rabbi Meisner coached more than 50 students with two or three lessons apiece; he estimates that he has taught several hundred students in recent years.
"If you only need one piece of toilet paper, why grab two or three?" Forbes magazine recently estimated Mr. Wang's net worth at $3.3 billion, making him Taiwan's wealthiest industrialist and second-richest person, after Tsai Wan-lin, a financier.
In return for merely postponing Iran's acquisition of nuclear weapons (for two or three years, in the estimate of Secretary of Defense Robert Gates), it would change the Iranian public's attitude toward the ruling mullahs (and their nuclear ambitions) from unhappy resignation to inflamed support.
(Four city blocks -- a half mile -- of marchers filling four lanes of State Street probably amounts to two or three times the police/media estimate of 3,000 protestors).
