Friday, January 28, 2011

Probability


Ask your local mathematician to define probability and he would most likely show you how to compute it
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Probability is not about the odds but about the belief in the existence of an alternative outcome cause or motive
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Ancients probability always considered by them to be nothing beyond a subjective and fluid measure of beliefs
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Probability defines how we talk and think about events and issues
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Seldom do we individually challenge or think about the probability of things
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We accept what we are told
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We seldom challenge
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Spin people on the other hand challenge everything to defend their clients position
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Spurious and genuine facts are jumbled into pictures to present the client in a favourable way
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Trade organisations
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Pressure groups
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Individuals
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And we shrug our shoulders because it is hard work to determine probabilities
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Yet they impact on us all the time
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Economic forecasts
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Statistics ever more of them
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All or most merely project out what we know of the past into the future
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Dangerous for all of us because today it is clear what we know of the past is not going to help us understand the future
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Or the need to adjust our economic models
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Or our Social models
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Or our climate models
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All are very unlikely to perform to previously seen patterns
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Probabilities are different
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Because they are unknown and difficult to predict we continue to project the past into the future
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Danger time because this will not give us the warnings we need
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Different thinking is required to predict probabilities
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To understand them even
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Probabilities are more difficult to look at
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This is why we continue to project the past into the future
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It is easier
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Unfortunately in these increasingly volatile times this will not help us much
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As past to future projections fail to materialise
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The unexpected will increasingly impact upon us often with violent outcomes

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