In part because there's no treatment, the number of people afflicted is hard to estimate.
Climatologists across the world have been working hard to estimate and account for all these potential errors.
But some kinds of damage, such as extinction, are beyond costing, and others are hard to estimate.
You know, it's hard to estimate people that you're not counting directly, but that's my understanding of it.
The problem is that before you have kids, it is hard to estimate both the benefits and the costs.
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First, I suspect that in the world of consulting it is hard to estimate directly how good any particular individual is.
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On the international level, costs are hard to estimate because no decision has been reached on how many inspections there will be.
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It's hard to estimate how many Americans are outsourcing their health care and what impact it's having on the country's health care system.
The exact financial penalty for Thermo's increasing complexity is hard to estimate, says Mr Hatsopoulos's brother, John (who is Thermo's chief financial officer).
They also warn the numbers may be slippery because it's hard to estimate how many gay couples would marry here if the ban were overturned.
Since most people buy their food from supermarkets, and this is shipped in from far afield, the significance of local factors is hard to estimate.
Her impact on both is hard to estimate in hard dollars.
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It was hard to estimate how many individual users that involved, said Brad Smith, Microsoft's general counsel, in a blogpost, because many people ran lots of separate accounts.
The numbers are hard to estimate, but between direct hiring, hiring through labor contractors, and off-the-books work beside parents or for cash, perhaps 400, 000 children, some as young as 6, weed and harvest for commercial farms.
Without a doubt all the factors mentioned by the bank in paragraphs 33 and 34 arguing for lower neutral rates are true, but as is well known the neutral rate, not being an observable quantity, is both hard to estimate and is constantly changing.
It is hard to over-estimate the gravity of Japan's situation.
That makes it hard for the Chinese firms to estimate what duties might apply after a review.
For some, that is another reason to take this first estimate with an extra dose of salt: service sector output is especially hard to measure accurately, even without all these special factors being thrown into the mix.
Indeed, because they have little hard economic data for June, they had to use informed guesswork to estimate how much output fell in the month.
Sadly, Pebble won't be making its way to backers by its original September estimate, but the design team wants you to know that it's hard at work, traveling the world to source components, running shipping tests and spending time refining the user interface in order to provide a top-notch experience once you do receive your device in the mail.
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