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Topic: 80-20 rule

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Pareto Analysis (the 80:20 rule) Even in circumstances which do not strictly conform to the 80 : 20 rule the method is an extremely useful way to identify the most critical aspects on which to concentrate. This effect, known as the 80 : 20 rule, can be observed in action so often that it seems to be almost a universal truth. As several economists have pointed out, at the turn of the century the bulk of the country’s wealth was in the hands of a small number of people. www.managers-net.com /paretoanalysis.html

I Am Adam Smith: Travel The 80-20 rule, also known as Pareto's principle (after Vilfredo Pareto, an Italian economist who devised the concept in 1906), is all around us. Most people guess 20 percent, and for good reason: We've been trained to think that way. Only 20 percent of major studio films will be hits. techpolicy.typepad.com /iamadamsmith/travel   (9556 words)

Weblogs and power laws (kottke.org) A familiar way to think about power laws is the 80/20 rule: 80% of the wealth is controlled by 20% of the population. I've also noticed the power law in effect in the inter-page links which occur on a wiki, which is interesting because links are typically made based on the merits of the information, and not due to either a cult of personality or simply high visibility. You can generate power law distributions where in circumstances where the probability that, say, a randomly selected web page will link to your page is an increasing function of the number of pages that have *already* linked to your page. www.kottke.org /03/02/weblogs-and-power-laws   (3539 words)

JCTE Volume 20, Number 2 - C. Keith Waugh This pattern, referred to as the 80/20 rule, predicts that 80 percent of citations come from 20 percent of the cited journals (Trueswell, 1969). For example, Sylvia and Lesher (1995) found from their analysis of theses that the top 20 percent of journals cited only constituted 62 percent of the total citations. Among the dissertations, theses and academic research papers included in the citation analysis, a total of 4580 citations to 1584 periodicals were found. scholar.lib.vt.edu /ejournals/JCTE/v20n2/waugh.html   (3831 words)

Shirky: Power Laws, Weblogs, and Inequality Power law distributions, the shape that has spawned a number of catch-phrases like the 80/20 Rule and the Winner-Take-All Society, are finally being understood clearly enough to be useful. The linguist George Zipf observed that word frequency falls in a power law pattern, with a small number of high frequency words (I, of, the), a moderate number of common words (book, cat cup), and a huge number of low frequency words (peripatetic, hypognathous). Six Degrees, and The Laws of the Web, we know that power law distributions tend to arise in social systems where many people express their preferences among many options. www.shirky.com /writings/powerlaw_weblog.html   (2354 words)

City of Lakes And something is even more wrong when three of the four golfers in the last two groups for the final round (that is, the four golfers who were leading at the end of round 3) finish with an 80, 81, and an 84. As a result everyone ended up 20-40 feet away from the hole, and the 105th U.S. Open turned into a putting contest. Washington Monthly, has been making some points for awhile about the "Peak Oil" hypothesis, that worldwide oil production will peak and begin to decline in the relatively near term. www.gregabbott.org   (3970 words)

The 360 Business & Project Management Glossary Pareto's Rule - The 19th century thinker, Vilfredo Pareto, after whom Pareto charts are named, essentially formulated the famous 80:20 rule of distribution. The feeding buffer, as a thumb rule is normally assumed half of the time removed from activities on the feeding path. Contingency - As a result of risk analysis sums of money or amounts of time may be set aside as contingency which may be used in the event of risks occurring. paradigm-360.com /WhitePapers/Glossary.html   (12366 words)

CNN.com - Award-winning film looks at life under Taliban - November 13, 2001 Iranian director Mohsen Makhmalbaf says he wanted to make a film about a forgotten people under what he calls the savage rule of the Taliban, in the midst of a devastating drought, and after 20 years of war. "Maybe you don't know, 90 per cent of the Afghan women, even before the Taliban, did not go to school; 80 percent of men, even before the Taliban, did not go to school," he said. Terms under which this service is provided to you. archives.cnn.com /2001/SHOWBIZ/Movies/11/12/kandahar.film   (378 words)

The 360 Business & Project Management Glossary Pareto's Rule - The 19th century thinker, Vilfredo Pareto, after whom Pareto charts are named, essentially formulated the famous 80:20 rule of distribution. The feeding buffer, as a thumb rule is normally assumed half of the time removed from activities on the feeding path. Common cause variability is a source of variation caused by unknown factors that result in a steady but random distribution of output around the average of the data. paradigm-360.com /WhitePapers/Glossary.html   (12366 words)

History of Ice Hockey The League passed a rule prior to the start of the 1979-80 season decreeing that anyone who came into the NHL from that point on had to wear a helmet. At its inception, the NHL boasted five franchises- the Montreal Canadiens, the Montreal Wanderers, the Ottawa Senators, the Quebec Bulldogs, and the Toronto Arenas. Eventually the PCL folded, and at the start of the 1926 season, the NHL, which at that point had ten teams, divided into two divisions and took control of the Stanley Cup. www.all-sports-posters.com /historyoficehockey.html   (2682 words)

Pareto Principle These days, the Pareto Principle is often known as the '80-20 Rule'. Pareto Analysis, Pareto Chart, Pareto Curve, Pareto Pyramid, 80-20 rule, Joseph Juran, Vilfredo Pareto Vilfredo Pareto was a 19th century Italian economist, Vilfredo Pareto, who noticed that around 80% of the wealth of the country was held by around 20% of the population (and that this was recursive: of the 20%, 80% of their wealth was held by 20% of this privileged society). www.syque.com /improvement/Pareto%20Principle.htm   (122 words)

CDS Funds: Publication Detail Webpage Default: Fundraising Firm, Fund-raising Consultants, Capital Campaign Consultants Pareto's rule states that a small number of causes is responsible for a large percentage of the effect, in a ratio of about 20:80. Over time and through application in a variety of environments, this analytic has come to be called Pareto's Principle, the 80-20 Rule, and the "Vital Few and Trivial Many Rule." Called by whatever name, this mix of 80%-20% reminds us that the relationship between input and output is not balanced. This article details the origin of the 80-20 rule, and quotes a variety of applications for it in modern business. www.cdsfunds.com /paretos_principle_the_80-20_rule.html   (1019 words)

Untitled Document Pareto called this a “predictable imbalance.’ His observation eventually became known as either the “80:20 rule” or “Pareto’s Principle”. The 80:20 rule originated from Vilfredo Pareto, an Italian economist who studied the distribution of wealth in a variety of countries around 1900. The 80:20 rule has been expanded far since it’s first economic use. weible.marshall.edu /pareto/index.htm   (148 words)

netvironments Power Laws, Discourse, and Democracy Popularizations of power law distributions and the 80/20 rule have fastened onto the idea that winner-takes-all networks are, not just a special case of networks governed by power laws, but the state toward which they inevitably tend. For proof, they turned, not unreasonably, to the 80/20 rule: since Microsoft has 80+ market share, with other operating systems receiving the remaining 20-, they argued that the 80/20 rule applied and proved the presence of a power law. Power laws produce scale free networks, whose distinguishing characteristic is the hierarchy of hubs along the curve of the distribution. www.netvironments.org /blog/essays/powerLawsDiscourse   (2678 words)

Encyclopedia: Pareto principle The so-called Pareto principle (also known as the 80-20 rule, the law of the vital few and the principle of factor sparsity) states that for many phenomena 80% of consequences stem from 20% of the causes. The principle can be viewed as recursive, and may be applied not only to the top 20% of causes; thus there would be a "64-4" rule (64% of the consequences stem from 4% of the causes), and a "51.2-0.8" rule, and so on. This idea is often applied to data such as sales figures: "20% of clients are responsible for 80% of sales volume." Such a statement is testable, is likely to be approximately correct, and may be helpful in decision making. www.nationmaster.com /encyclopedia/Pareto-principle   (1039 words)

Pareto principle - Wikipedia, the free encyclopedia The so-called Pareto principle (also known as the 80-20 rule, the law of the vital few and the principle of factor sparsity) states that for many phenomena 80% of consequences stem from 20% of the causes. It was named after the Italian economist Vilfredo Pareto, who observed that 80% of property in Italy was owned by 20% of the Italian population. In the opposite direction, Tipton Cole has observed that the Pareto Principle applies to the residue of its first application, yielding a "96-36" rule. en.wikipedia.org /wiki/Pareto_principle   (414 words)

What does a Pareto chart tell me that a pie chart doesn't? [Index (Ar)] - Elsmar Cove Forums Index The Pareto Principle is the 80:20 rule that we all know and love. It is a well known theory formulated by Pareto that 80% of the effects are caused by only 20% of the causes, or in such cases 80% of the trouble is caused by 20% of the causes. Once I have the cumulative frequency curve in a Pareto Chart, the method I commonly use is to project the 80% mark from the Y axis to the curve, and drop the intrecept down on the x axis from that point. 16949.com /Forums/archive/index.php/t-5311   (907 words)

Oak Harbor - Girls All Divisions Mary 1:19.52 1:20.43 18 Kelly Hower JR Oak Harbor 1:22.39 1:20.68 19 Jane Davenport SO PTCL 1:21.22 1:22.17 20 Vanessa Rule FR Perkins 1:24.41 1:22.23 21 Laura Young SR PTCL 1:18.77 1:22.34 22 Halee Lichtle JR Sand. Mary 1:17.20 1:16.23 12 Natsumi Okamoto SR CAMA 1:21.28 1:16.34 13 Lindsay Bungard JR NSP 1:17.80 1:16.88 14 Erin Toms FR CAMA 1:19.36 1:17.77 15 Lindy Carpenter SO Norwalk 1:18.87 1:19.97 16 Hallie Dahlhofer FR Oak Harbor 1:19.32 1:20.08 17 Katie Larson SO Sand. Mary 1:10.69 1:10.60 9 Allison Didion JR CAMA 1:14.80 1:14.81 10 Kaycee Hallett FR Oak Harbor 1:16.34 1:15.39 11 Katie Chapman FR Sand. www.ohsaa.org /sports/sd/2004/Sectionals/NW4-gd1.htm   (403 words)

Web Marketing Strategy Guest Article-The 80:20 Rule- Your Formula For Success This rule says that, in many business activities, 80% of the potential value can be achieved from just 20% of the effort, and that one can spend the remaining 80% of effort for relatively little return. He devised the law of the 'trivial many and the critical few', better known as Pareto's Law, or the 80:20 rule. The explanation starts with Vilfredo Pareto, an Italian economist and political sociologist who lived from 1848 to 1923. www.webmarketingnow.com /guest-articles/80-20-rule.html   (646 words)

Pareto principle - Wikipedia, the free encyclopedia The Pareto principle (also known as the 80-20 rule, the law of the vital few and the principle of factor sparsity) states that for many phenomena, 80% of the consequences stem from 20% of the causes. It was named after the Italian economist Vilfredo Pareto, who observed that 80% of income in Italy was received by 20% of the Italian population. The Pareto principle has many applications in quality control, and is the basis for the pareto chart, one of the key tools used in total quality control and six sigma. en.wikipedia.org /wiki/Pareto_principle   (392 words)

The Pareto Principle - The 80/20 rule Pareto's Principle, or the 80/20 Rule, should serve as a continual reminder to focus eighty percent of your effort on the twenty percent of your tasks that matter the most. Because Pareto's initial discovery involved a distribution of 80% of wealth to 20% of families and it's inverse, the Pareto Principle is often called "The 80/20 rule". In 1906, Italian economist and sociologist, Vilfredo Pareto (sometimes misspelled Wilfredo, Alfredo, or Vilfred) created a mathematical formula to describe the uneven income distribution in Switzerland at that time, observing that eighty percent of the wealth was held by a mere twenty percent of the families. www.envisionsoftware.com /articles/Pareto_Principle.html   (545 words)

ParetoWhy.html However, one thing that did interest them was the Pareto Principle or the 80/20 rule. They could think of many examples of this "law", such as "20 percent of the people have 80 percent of the money", or "80 percent of their time is spent with 20 percent of their friends". Other "Paretoisms" and strategies were equally creative but more practical. www.csun.edu /~jmotil/ParetoWhy.html   (253 words)

RapTag v0.1d - Raptor Firewall Alert Summary Listing Dec 08 11:01:54.721 your_firewall_name httpd[214]: 121 Statistics: duration=0.00 id=5TYli sent=98 rcvd=448 srcif=Vpn3 src= 216.10.47.16  /1824 srcname=odin.coloc.evcom.net dstif=Vpn4 dst=192.168.10.222/80 op=GET arg=http://www/scripts/..%%35%63../winnt/system32/cmd.exe?/c+dir result="400 Bad Request" proto=http rule=34 Dec 08 11:01:54.972 your_firewall_name httpd[214]: 121 Statistics: duration=0.00 id=5TYlk sent=96 rcvd=448 srcif=Vpn3 src= 216.10.47.16  /1866 srcname=odin.coloc.evcom.net dstif=Vpn4 dst=192.168.10.222/80 op=GET arg=http://www/scripts/..%%35c../winnt/system32/cmd.exe?/c+dir result="400 Bad Request" proto=http rule=34 Dec 08 11:09:26.076 your_firewall_name httpd[214]: 121 Statistics: duration=0.00 id=5TYmw sent=98 rcvd=448 srcif=Vpn3 src= 216.10.47.16  /1424 srcname=odin.coloc.evcom.net dstif=Vpn4 dst=192.168.10.222/80 op=GET arg=http://www/scripts/..%%35%63../winnt/system32/cmd.exe?/c+dir result="400 Bad Request" proto=http rule=34 www.tagartengineering.com /raptag-sample.htm   (253 words)

Furrow Pump - Editorial Pareto's Principle: The 80-20 Rule by Arthur W. Hafner, Ph.D The Pareto Principle is often expressed in percent (80% / 20%), but it really isn't about numbers. The real message of this rule is that there is a predictable imbalance in the world that affects all of our lives, and if we can just become aware of it we can then direct our efforts to greatly improve our chances of success. www.furrowpump.com /Editorial/paretoprinciple.htm   (336 words)

Pareto principle - Wikipedia, the free encyclopedia The Pareto principle (also known as the 80-20 rule, the law of the vital few and the principle of factor sparsity) states that for many phenomena, 80% of the consequences stem from 20% of the causes. The idea has rule-of-thumb application in many places, but it is commonly misused. en.wikipedia.org /wiki/Pareto_principle   (392 words)

[e-lang] E and SWT The overall summary is that SWT follows the 80-20 rule: it gives you about 80% of the useful functionality of Swing for 20% of the cost. While SWT Motif still looks funky on a KDE desktop, it is a tremendous improvement on the JavaSoft metal landf, which is the ugliest bit of user interface design since the death of the lime-green-on-black 80-character terminal in the mid 80s. I estimate that this tamed version of SWT has no more than 1/8th as many security vulnerabilities as the taming pass I made over Swing, which means there are probably two or three serious vulnerabilities waiting to get caught by someone doing a more careful pass. www.eros-os.org /pipermail/e-lang/2002-July/007421.html   (1001 words)

pareto principle - pareto rule The Pareto Principle, or 80/20 Rule, should serve as a daily reminder to focus 80 percent of your time and energy on the 20 percent of you work that is realy important. The value of the Pareto Principle for a manager is that it reminds you to focus on the 20 percent that matters. After Pareto made his observation and created his rule formula or principle, many others observed similar phenomena in their own areas of expertise. www.legacyusa.net /pareto.html   (865 words)

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