Not exact matches
As the
model runs progressed, those tiny differences grew and expanded, producing a set of climate simulations
useful for studying
questions about variability and change.
A
useful model for answering that
question is the Frizzled6 mouse, a mutant breed born with permanently messy hair.
The mammalian skull is a
useful model for tackling these
questions as it is a simple sheet - shaped tissue that expands, and like many tissues, does so anistropically.
He
questions the one - hit - a-day approach as a
useful model of concussions in high - school athletes, however.
There can be little
question of comparing the Bionic to the iPhone 4, but with the iPhone 5 due for release as soon as six weeks for now i think the only
useful comparison will be against these two
models when they have both available.
This
model would also generate a wealth of rich,
useful data; the key
question is whether the platform developer makes this data widely accessible or hides it from the community.
The More Features section includes a
useful Portfolio
modelling tool along with a «Sounding board», which will send your account information and some responses to a few
questions about investment goals to a Scotiabank representative who will provide some guidance for future moves.
Separating things out into more components like this is necessary if we want to build a
useful statistical
model of the data -
model comparison, i.e. one that doesn't just answer the
question «is the
model right?»
The
question instead is whether a
model is
useful or whether a forecast was skillful (relative to a naive alternative).
There will always be a limit to the degree of detail for which the
models fail to produce reliable and
useful information, and the interesting
question is where this limit is.
Not understanding or having a
useful model of how it is that you repeatedly appear to misunderstand simple things I (and others) have written, I tried to help by correcting the only thing I perceived to be wrong with the sentence in
question — some faulty phrasing of mine (the «or» clause).
• «Remember that all
models are wrong; the practical
question is how wrong do they have to be to not be
useful.»
Perhaps, but much more importantly, it proves beyond any
question of doubt that «the physics in the
models» is not adquate for the
models to be
useful.
The
question for the climate change adaptation community is whether the uncertainty (including
model errors) in the projected climate change is small enough to be
useful in a decision making framework.
Going to more specific
questions we may ask, whether a
model can produce projections to the future at a level of accuracy that makes the projections
useful.
In fact, I always stress that patterns, as well as
models, are most
useful when they fail, because that tell us about the areas that we do not understand, and that is where we should be asking
questions, not hiding them.
I was going to ask you a
question up thread in regards to picking that «one
model» - What criteria would you suggest be used to get to three to five best
models that could then follow a development approach that would lead to more
useful outputs.
The correct
question is «how accurate» or how
useful is a linear
model of the response.
An interesting point not much commented on is that neither
models or data sets do not have to be complete to be
useful, just that they isolate the
question under study and that there are no significant interferences, or even if there are known intererences what their effects will (approximately) be.
Science is only
useful when it asks the right
questions, openly tests hypothetical
models with honesty and integrity and accepts the conclusion with the understanding that «not false» is not the same «true».
More
useful, suggested by the climate regime
model, is the
question, «Do the temperatures observed belong to the climate regime before 1930, or a climate regime warmer than the one from 1930 to 2001?»
Meanwhile the simple
models remained
useful for exploring
questions that the large
models could not handle efficiently.
This allows the appropriate cost benefit analysis (maybe this is getting to far into politics) that should be significantly more
useful for the main debate than these temperature predictions that we have and takes many unpredictable factors out of the equation and if we have a full chain of logic it should be easier to find — because time as opposed to amount of carbon related
models leave you asking
questions like «what will happen to technology»
All climate
models are wrong, but some of them are
useful, and by working more closely to answer the
questions that are actually being posed by policymakers, we can make them more
useful still.
However, where van de Plassche says their system stands out is that it has been designed to be a «sand box» where you make a
model, add «nodes» where a Q&A
question may be, or a piece of
useful advice may pop up, and can change and modify what you want to make.