Lead scientist at Berkeley Earth, Robert Rohde said that the study was the first to address issues concerning data bias and used nearly all available data, which amounted to five times more station locations (39, 000 compared to 7, 280) than reviewed by prior groups.
Understand that you or your organization may have bias towards the data.
Advocacy groups that collect data on bias include examples of slurs and insults in their reports.
If this trend of weak U.S. data continues, my bias is that it would be more bullish to the precious metals than has the recent weak data.
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Like a virus that yields no obvious symptoms, bias can creep into survey data all sorts of ways.
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It is this ethical commitment to rigor that distinguishes philosophy (at least in its analytical form) from science, which has begun facing a veritable inquisition, both in the academic and popular press, for sloppy thinking, cherry picking data, systemic bias and, in some cases, outright fraud.
In fact, the data supported a potential bias across multiple Newscorp properties including Fox News, The Wall Street Journal and The New York Post.
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But you have to make a herculean mental effort to prevent anecdotal data from feeding a confirmation bias that essentially tells you what you want to hear.
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Thus the best entrepreneurs, and the best investors, spend more time trying to find information that refutes their beliefs, rather than more data which might support a bias.
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The Obama strategy is to do the same thing, leveraging liberal media bias, the latest technology, robust data and grassroots community organizing techniques, to smear the Republican Party as extremist, out of touch and disconnected from the needs of the majority of Americans.
At medical schools, pharma companies, and even at the FDA, biostatisticians and clinical researchers recognize that retrospective data when treated with appropriate bias-controlling statistical methods, can in fact be reliable, particularly as it points to direction of influence and the general magnitude of effect.
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We decided we were going to let the data run the program, not bias.
One caveat: The data have an inherent positive survivorship bias, as some companies captured in earlier years may have failed along the way.
They look instead for data that confirms a previously held bias.
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Fraud, plagiarism, cherry-picked results, poor or non-existent controls, confirmation bias, opaque, missing, or unavailable data, and stonewalling when questioned have gone from being rare to being everyday occurrences.
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He throws in all the reputable polls (determined by their history), plus many of the other non-poll based theories on who wins elections (such as economic and survey data), whips it well to remove bias and various other nasty bits, and figures out a good set of odds for each state.
The data was collected via online questionnaires, so personal bias could be at play: in their responses, individuals could simply have reflected the personality traits that were valued the most in their area.
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The confirmation bias, in which we give much greater credence to evidence and data that bolster our beliefs.
The data set used in the analysis was obtained from the CRSP Survivor-Bias-Free U.S. Mutual Fund Database.
The data trove includes flight logs from the Falcon jet used by Cope and Bias and evidence of their profligate spending habits.
Besides the transparency issue in the SA process (which can lead some to the manipulation conclusion) which the BLS could easily remedy simply by publishing the changed data on a monthly basis, the Establishment Survey suffers from a significant upward bias, known as the Birth-Death model.
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