http://www.sciencedaily.com/news/computers_math/statistics/ Statistics. Read about statistics software, news and research from research institutes around the world. en-us Wed, 11 Nov 2009 17:05:01 EST Wed, 11 Nov 2009 17:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/computers_math/statistics/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091105121209.htm A computer scientist has new evidence regarding a photograph of accused JFK assassin Lee Harvey Oswald. He digitally analyzed the iconic image of Oswald pictured in a backyard setting holding a rifle in one hand and Marxist newspapers in the other, and he says the photo almost certainly was not altered. Fri, 06 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091105121209.htm http://www.sciencedaily.com/releases/2009/10/091006121115.htm Mathematicians have developed powerful new tools for winnowing out the genes behind some of humanity's most intractable diseases. Mon, 19 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006121115.htm http://www.sciencedaily.com/releases/2009/10/091009090426.htm A sophisticated computational algorithm, applied to a large set of gene markers, has achieved greater accuracy than conventional methods in assessing individual risk for type 1 diabetes. The researchers suggest that their technique, applied to appropriate complex multigenic diseases, improves the prospects for personalizing medicine to an individual's genetic profile. Sun, 11 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091009090426.htm http://www.sciencedaily.com/releases/2009/10/091007103026.htm Recent bank failures point to the continuing need for vigilance by regulators and investors. Now, a new report discusses the possibility of an early-warning system that spots the outliers before they fail. Thu, 08 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091007103026.htm http://www.sciencedaily.com/releases/2009/10/091006113005.htm Researchers in Spain are creating a statistical model to calculate the probability of university students dropping out and to help in the drawing up of strategic plans to reduce the number of students who give up their studies. Wed, 07 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006113005.htm http://www.sciencedaily.com/releases/2009/09/090922112207.htm In a new study, researchers have concluded that the number of hurricanes and tropical storms in the Atlantic Basin is increasing, but there is no evidence that their individual strengths are any greater than storms of the past or that the chances of a US strike are up. Wed, 23 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090922112207.htm http://www.sciencedaily.com/releases/2009/08/090819110014.htm Researchers in the United Kingdom are developing new methods for detecting distorted medical statistics. Thu, 20 Aug 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090819110014.htm http://www.sciencedaily.com/releases/2009/08/090806080343.htm Just how much faster can an athlete run the hundred meters? The current world record, which belongs to Usain Bolt, stands at 9.69 seconds. Two econometricians have calculated the ultimate records possible for the 100-meter sprint. There is room for improvement in both the men's and women's times in the near future. Fri, 07 Aug 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090806080343.htm http://www.sciencedaily.com/releases/2009/08/090805150526.htm Instances of "freak" or extreme waves have long been part of maritime lore, known for suddenly sending ships to the ocean floor. Using mathematical simulations, researchers have shown that changes in water depth and currents, which are common in coastal areas, may significantly increase the likelihood of extreme waves. These findings could allow for identification of extreme wave hotspots, which would greatly benefit the shipping industry and design of offshore structures. Thu, 06 Aug 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090805150526.htm http://www.sciencedaily.com/releases/2009/08/090803185836.htm A statistical analysis reveals distinct patterns in ancient Indus symbols, and creates a hypothetical model for the unknown language. Tue, 04 Aug 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090803185836.htm http://www.sciencedaily.com/releases/2009/07/090730180223.htm A new approach to statistical analysis may be better suited to study the relationship between higher "dose" of dialysis and survival time for patients with advanced kidney disease, according to a new article. Thu, 30 Jul 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090730180223.htm http://www.sciencedaily.com/releases/2009/07/090724144522.htm Scientist have created a mechanism to measure happiness of millions of bloggers. Their "hedonometer" gathers sentences beginning "I feel..." Then, applying standardized "psychological valence" of words, each sentence receives a happiness score. Their approach can let them measure happiness levels of, e.g., people over 65 in Oregon on Wednesdays. The happiest day in 4 years: Election Day 2008. Michael Jackson's death: one of the unhappiest. Their results show young teenagers are unhappiest. Mon, 27 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090724144522.htm http://www.sciencedaily.com/releases/2009/07/090723142048.htm Much as meteorologists predict the path and intensity of hurricanes, some researchers believe we will one day predict with unprecedented foresight, specificity and scale such things as the economic and social effects of billions of new Internet users in China and India, or the exact location and number of airline flights to cancel around the world in order to halt the spread of a pandemic. Fri, 24 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090723142048.htm http://www.sciencedaily.com/releases/2009/07/090721091824.htm You don't need a crystal ball to tell you what is going to happen next in the economy. You need a statistical model. A new method can help researchers determine which economic variables they should focus on by identifying whether a variable can be predicted. Thu, 23 Jul 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090721091824.htm http://www.sciencedaily.com/releases/2009/07/090701103010.htm A new statistical analysis technique that identifies and removes systematic bias, noise and equipment-based artifacts from experimental data could lead to more precise and reliable measurement of nanomaterials and nanostructures likely to have future industrial applications. Tue, 14 Jul 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090701103010.htm http://www.sciencedaily.com/releases/2009/07/090706171509.htm Researchers have shown that public information readily gleaned from governmental sources, commercial data bases, or online social networks can be used to routinely predict most -- and sometimes all -- of an individual's nine-digit Social Security number. Tue, 07 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090706171509.htm http://www.sciencedaily.com/releases/2009/06/090605075306.htm A team of Spanish and American researchers has developed a method to evaluate basketball players that will, they say, better meet the requirements of the sport’s trainers and experts. The technique uses mathematical models designed to measure productivity. Sun, 07 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090605075306.htm http://www.sciencedaily.com/releases/2009/06/090602112301.htm Sports commentators on soccer and hockey games will often make their winning predictions as soon as the first goal is scored. Now, Canadian mathematicians have worked out a formula for spotting the winning team that could make the pundits redundant. Tue, 02 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090602112301.htm http://www.sciencedaily.com/releases/2009/05/090529085119.htm Researchers have developed a statistical model that makes it possible to study the variability of extreme waves throughout the year. Their study shows that there are seasonal variations in the height of waves reaching Spain's coasts, and stresses the importance of this data in planning and constructing marine infrastructures. Tue, 02 Jun 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090529085119.htm http://www.sciencedaily.com/releases/2009/04/090423142316.htm Scholars have recently question whether ancient Indus inscriptions code for language. American and Indian scientists used statistics to show that the 4,500-year-old Indus symbols' pattern follows that of other spoken languages. Thu, 30 Apr 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090423142316.htm http://www.sciencedaily.com/releases/2009/04/090427102231.htm Researchers have developed a new statistical model that simulates human mobility patterns, mimicking the way people move over the course of a day, a month or longer. The model is the first to represent the regular movement patterns of humans using statistical data. The model has a host of potential uses, ranging from land use planning to public health studies of epidemic disease. Tue, 28 Apr 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090427102231.htm http://www.sciencedaily.com/releases/2009/04/090420103547.htm In a new national study of 1,178 American youths, psychologists found nearly one in 10 of the gamers (8.5 percent) to be pathological players according to standards established for pathological gambling. Tue, 21 Apr 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090420103547.htm http://www.sciencedaily.com/releases/2009/04/090421080401.htm IMEC successfully transferred MemoryVAM (Memory Variability Aware Modeling), the first EDA tool for statistical memory analysis, to Samsung Electronics. The tool predicts yield loss of SRAMs caused by the process variations of deep-submicron IC technologies. Tue, 21 Apr 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090421080401.htm http://www.sciencedaily.com/releases/2009/04/090410075112.htm A new statistical method that can estimate the origin and time of an aerosolized release of the pathogen causing anthrax, following detection of the first few cases has been developed. The method predicts where the most critically affected areas will be following the release of this highly pathogenic agent, which may enable preventative treatment of individuals at risk and protection from the disease. Mon, 13 Apr 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090410075112.htm http://www.sciencedaily.com/releases/2009/03/090331101103.htm Scientists have developed a new analytical tool to answer the question of how our brain cells record outside stimuli and react to them. Researchers in Israel and colleagues have formulated the novel principle of Minimum Mutual Information (MinMI) to tackle the issue. Wed, 08 Apr 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090331101103.htm http://www.sciencedaily.com/releases/2009/03/090330200821.htm Hundreds of natural-selection studies could have made incorrect conclusions because several statistical methods commonly used by biologists to detect natural selection at the molecular level tend to produce incorrect results, according to new research. The study suggests that, for a more realistic picture of natural selection, biologists should pair experimental data with their statistical data, whenever possible. Tue, 31 Mar 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090330200821.htm http://www.sciencedaily.com/releases/2009/03/090327092904.htm What possible connection could there be between an eighteenth century British Presbyterian minister and preventing road traffic accidents in Hartford, Connecticut? Everything, according to a report in the International Journal of Intelligent Systems Technologies and Applications. Tue, 31 Mar 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090327092904.htm http://www.sciencedaily.com/releases/2009/03/090325132855.htm Mathematicians have for the first time estimated, from mathematical symmetry arguments, the size of a fundamental imbalance pervading the subatomic world. This imbalance, called the CP violation, distinguishes matter from antimatter and is essential to understanding why matter predominates over antimatter in the natural world. Fri, 27 Mar 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090325132855.htm http://www.sciencedaily.com/releases/2009/03/090317201131.htm A leading statistician claims that the number of murders in London last year was not out of the ordinary and followed a predictable pattern. His report argues that shocking headline numbers are not as surprising as one might think. Thu, 19 Mar 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090317201131.htm http://www.sciencedaily.com/releases/2009/03/090316092006.htm A computer science expert says that a top-3 seeded team's odds of winning games past the Sweet 16 round of the NCAA men's basketball tournament are statistically no different than a coin flip. Tue, 17 Mar 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090316092006.htm http://www.sciencedaily.com/releases/2009/03/090317142849.htm Researchers have found polluted air in the highly populated East End areas of Pittsburgh are more affected by major sources in the city's southeast than previously thought. Tue, 17 Mar 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090317142849.htm http://www.sciencedaily.com/releases/2009/02/090218141955.htm A mathematician presents the statistical limitations of a study claiming that bisphenol A is associated with cardiovascular diagnoses, diabetes and abnormal blood level liver enzyme levels that was published in an earlier study. Wed, 25 Feb 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/02/090218141955.htm http://www.sciencedaily.com/releases/2009/02/090202174811.htm A researcher has found that secondary security screening at airports is mathematically flawed, and has identified a way to select people for screenings more efficiently and fairly. Tue, 03 Feb 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/02/090202174811.htm http://www.sciencedaily.com/releases/2009/01/090123075000.htm The study of young adults connected video games to poor relationships with peers and with parents -- measured by things like time, trust, support and affection. Sun, 25 Jan 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/01/090123075000.htm http://www.sciencedaily.com/releases/2009/01/090121144055.htm A new study provides empirical evidence on the Democratic premium and the presidential cycle effect by examining the implications of both factors on the predictability of US excess stock returns. Wed, 21 Jan 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/01/090121144055.htm http://www.sciencedaily.com/releases/2009/01/090114075759.htm Could eating cereal really make it more likely for someone to have a boy baby than a girl baby? Not according to a new statistical analysis that refutes earlier findings. Sat, 17 Jan 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/01/090114075759.htm http://www.sciencedaily.com/releases/2008/12/081224094634.htm Often experiments are needed to make scientific progress, but sometimes the answers lie in data already collected, requiring new analysis tools to unlock the secrets. This applies to infectious disease transmission, main topic of a recent workshop organized by the European Science Foundation. Tue, 23 Dec 2008 00:00:00 EST http://www.sciencedaily.com/releases/2008/12/081224094634.htm http://www.sciencedaily.com/releases/2008/12/081219073045.htm Greek researchers describe a quick and easy artificial intelligence approach to working out heart attack risk. Physicians could use their system to provide patients with a personal risk factor and so advise on lifestyle changes or medication to lower their risk. Mon, 22 Dec 2008 20:00:00 EST http://www.sciencedaily.com/releases/2008/12/081219073045.htm http://www.sciencedaily.com/releases/2008/12/081216104317.htm Researchers have created a new tool called the "Dirty War Index" based on the laws of war, a tool which identifies rates of prohibited or highly undesirable ("dirty") war outcomes, such as torture, child injury and civilian death. Fri, 19 Dec 2008 20:00:00 EST http://www.sciencedaily.com/releases/2008/12/081216104317.htm http://www.sciencedaily.com/releases/2008/12/081212092054.htm Scientists have developed a mathematical method that enables a reconstruction of the occurrence of small-scale polar storms -- so-called polar lows -- in the North Atlantic. Fri, 19 Dec 2008 05:00:00 EST http://www.sciencedaily.com/releases/2008/12/081212092054.htm http://www.sciencedaily.com/releases/2008/12/081216131022.htm Researchers have developed a mathematical tool that can be used to unscramble the underlying structure of time-dependent, interrelated data, like the votes of legislators over their careers, second-by-second activity of the stock market, or levels of oxygenated blood flow in the brain. Thu, 18 Dec 2008 02:00:00 EST http://www.sciencedaily.com/releases/2008/12/081216131022.htm http://www.sciencedaily.com/releases/2008/12/081215074648.htm Researchers have devised a new research tool that could help unpick the complex cell interactions that lead to cancer and also allow social scientists to mine social networking sites such as Facebook for useful insights. Tue, 16 Dec 2008 14:00:00 EST http://www.sciencedaily.com/releases/2008/12/081215074648.htm http://www.sciencedaily.com/releases/2008/12/081204133857.htm Scientists have proposed a new method to estimate the approximate time of death. This is based on the analysis of several substances from the vitreous humor of the eye of cadavers, according to an article published in the journal Statistics in Medicine. Using this system, scientists have developed a piece of software that makes it possible to establish precisely the post mortem interval (PMI), information that will make the work of the police and the courts of justice easier. Sat, 06 Dec 2008 14:00:00 EST http://www.sciencedaily.com/releases/2008/12/081204133857.htm http://www.sciencedaily.com/releases/2008/11/081103090853.htm Anarchy may be the bane of political conservatives, but on the Internet it is the essence of the information superhighway. Fri, 07 Nov 2008 20:00:00 EST http://www.sciencedaily.com/releases/2008/11/081103090853.htm http://www.sciencedaily.com/releases/2008/10/081031102642.htm Sequence alignments are the basic tools of genomics research. Researchers introduce a statistical method for assessing the quality of protein sequence alignments. Fri, 31 Oct 2008 00:00:00 EDT http://www.sciencedaily.com/releases/2008/10/081031102642.htm http://www.sciencedaily.com/releases/2008/10/081015100039.htm Patients in intensive care units are often administered antibiotics against ventilator-associated pneumonia, "to be on the safe side." Researchers have now developed a model that can quickly establish whether or not a patient has pneumonia. This can prevent unnecessary treatment with antibiotics. Wed, 22 Oct 2008 20:00:00 EDT http://www.sciencedaily.com/releases/2008/10/081015100039.htm http://www.sciencedaily.com/releases/2008/10/081020120103.htm Creating a unique patient identification number for every person in the United States would facilitate a reduction in medical errors, simplify the use of electronic medical records, increase overall efficiency and help protect patient privacy, according to a new study. Although the cost of such a system could reach $11 billion, the effort would likely return even more in benefits to the nation's health care system. Wed, 22 Oct 2008 05:00:00 EDT http://www.sciencedaily.com/releases/2008/10/081020120103.htm http://www.sciencedaily.com/releases/2008/10/081010172449.htm Health statistics fill today's information environment, but even most doctors, who must make daily decisions and recommendations based on numerical data, lack the basic statistical literacy they require to make such decisions effectively. A major new report in Psychological Science in the Public Interest shows that statistical illiteracy is a significant problem having widespread negative impact on healthcare and society. Mon, 13 Oct 2008 23:00:00 EDT http://www.sciencedaily.com/releases/2008/10/081010172449.htm