Clearly much work needs to be done before we arrive at a reliable picture of what's going on here.
I'd not met enough people, even online, who'd used them to form a reliable picture, and Which?
"We thought, Maybe the existing literature is not a full, reliable picture of this field," she said.
"It is difficult to get a reliable picture of progress," said Sanjay Wijesekera, Unicef's chief of water, sanitation and hygiene.
Still, they said, they were able to harmonize the data into a reasonably reliable picture of the continent's economy.
Still, the margins of error allow for a fairly reliable picture of the world's population in the decades to come.
Because she left no memoirs, her will is in many ways the most reliable picture of her.
The idea that the government can and should give the public a reliable picture of the economy is a surprisingly recent one.
Edward N. Wolff, an economist at New York University who studies the wealthy, said tax-return data gave a reliable picture of those with the highest incomes.
Every eyewitness died, and piecing together what can be remembered from 37 mostly brief and unrecorded phone calls made from the plane does not provide a clear or necessarily reliable picture.
While Edison's statistics provide a reliable picture of performance of those schools, it is difficult to compare those results to national achievement standards because the scores are drawn from many different tests in schools in dozens of states.
