the four cs of data quality analysis

... provides hyperlinks to the coauthors and to the tables of contents pages the article appeared in From the database point of view these are simple materialized views, for the users they make it very ... to find errors or to confirm the quality of the original data Database bashing is useful for error detection, however the correction of the errors is troublesome If there are differences between ... produce detailed metadata of a substantial number For each attribute of the metadata the degree of consistency makes the difference: It is easy to produce a huge number of bibliographic records...

Ngày tải lên: 30/03/2014, 13:20

... throughout the life of your data center The Three Principles of Data Center Infrastructure Design The Three Principles of Data Center Design When you understand the three principles of data center ... Page  The Three Principles of Data Center Infrastructure Design Choosing the Right Mix of Equipment Since the total spend for network infrastructure equipment is but a fraction of the entire data ... Prepare for the Future Power Requirements Business can optimize their data centers by selecting data center infrastructure solutions that work together By recognizing the value of the data center...

Ngày tải lên: 24/01/2014, 11:20

... place at the top level of the restriction part of the every-NP, the indefinite should count as a proper antecedent for the pronoun on the reading where the every-NP takes wide scope over the whole ... over the indefinite NP a student of h/s T h a t the pronoun h/s is in the scope of - 46 - the quantifier is obviously insufficient to license binding, which seems to be blocked by the fact that the ... facts: The decision of whether a pronoun can be bound by a N P cannot be made on the basis of semantic information only There are basically two possible ways out: On the one hand, one can pass the...

Ngày tải lên: 22/02/2014, 10:20

... revise them The areas in question involve the nature of persons; the possibilities for personal relationships; the nature of the people and the state; and the role of political values The Nature of ... Professor of Technology and Society at the University of Maastricht Samuel Bowles is Research Professor and Director of the Behavioral Sciences Program of the Santa Fe Institute and Professor of ... when the change in the hero’s fortunes takes place without Peripety or Discovery; and complex, when it involves one or the other, or both These should each of them arise out of the structure of the...

Ngày tải lên: 11/06/2014, 10:39

... practice They also identified better management and better professional ethics as factors: the lack of quality assurance and the focus on profit in the private sector has an impact on the quality of ... article describes the findings of the first Page of 14 stage - the qualitative research which fed into the design of the questionnaire and contingent valuation The focus of the study in Vietnam ... identified during the analysis of data Results The results are presented thematically, integrating responses from all respondents The first section addresses how the problem is perceived at the national...

Ngày tải lên: 18/06/2014, 17:20

... use of the summated ratings algorithm The only scaling assumption not fully satisfied was the lack of equality in the item-scale correlations of RE3 and the other RE items and of MH3 and the other ... dentures These tests were performed on the sample of 744 participants using data from the cohort baseline survey http://www.hqlo.com/content/6/1/52 Data quality The percent of missing item-level data ... of the items were missing Where fewer items were missing, they were replaced by the respondent's own mean score for the remaining items on the scale Analytic methods Data quality The number of...

Ngày tải lên: 18/06/2014, 19:20

... A History of Interest Rates.) The tradeoff between the variability of bill payouts and the interestrate risk of consols reverses during the twentieth century With the abandonment of the gold standard ... probability (the bell-shaped curve) predicted by the laws of statistics As you can see, the agreement is quite good 26 The Four Pillars of Investing Long-term risk the probability of running out of money ... to the non-academic reader, as they subtract out the return due to inflation, and further not include dividends.) Now look on the left-hand portion of the graph These are the markets with the...

Ngày tải lên: 20/06/2014, 20:20

... DR The total present value of the mine—in effect, its “true value”—is the sum of all of the future dividends, discounted to the present This is the sum at the bottom of the table: $8,225 The ... rate of inflation: The higher the rate of inflation, the less value in terms of real spending power you can expect to receive in the future 46 The Four Pillars of Investing • The “impatience” of ... stocks is the equivalent of wearing a Nehru jacket over a pair of bell-bottom trousers 38 The Four Pillars of Investing The data on the performance of value and growth stocks run counter to the way...

Ngày tải lên: 20/06/2014, 20:20

... that the 2% expense doesn’t matter that much But because of the 2% drag, instead of 50% of the chimps beating the market each year, only about 40% of them With the passage of time, however, the ... subtracted The thick vertical black line in the middle of the graph represents the market performance The bars on the left represent the number of funds underperforming the market, and the bars on the ... what the condition of the economy or their employment On the other hand, the earnings and dividends of auto manufacturers are notoriously sensitive to economic conditions Because the purchase of...

Ngày tải lên: 20/06/2014, 20:20

... Obviously, the magnitude of impact costs depends on the size of the fund, the size of the company, and the total amount transacted As a first approximation, assume that it is equal to the spread The four ... Their job is to convince the investing public that their firm can divine the market’s moves through a careful analysis of economic, political, and investment data But at the end of the day, they ... miles of seabed But when their estimates were averaged together, its position was pinpointed to within 220 yards In other words, the market’s estimate of the proper price of a stock, or of the...

Ngày tải lên: 20/06/2014, 20:20

... is then funneled into a long pipe From the perspective of the person at the pump handle the innovator and the wealthy firstadopter the water is clearly coming in spurts But to the person at the ... at the 132 The Four Pillars of Investing end of the pipe the average consumer, and, more importantly, the investor the water is flowing evenly To illustrate the point, I’ve plotted the real gross ... consisted of a cluster of coffeehouses in the neighborhood of Change Alley By the late seventeenth century, these coffeehouses became the most active and advanced exchanges in the world The average “stock...

Ngày tải lên: 20/06/2014, 20:20

... On the other hand, the societal benefit of the railroads was immeasurable, allowing the settling and growth of the breadth of the continent The financial rewards from the railroads went to the ... exclusively the province of the rich Only they could afford the exorbitant fares of the coach companies, or if truly wealthy, their own coach-and-six And even then, the poor quality of the roads and public ... drop of 90%? Of course, there were plenty of individual stocks that were ridiculously overpriced, some the result of rampant speculation and others of outright fraud But the history of the 1920s...

Ngày tải lên: 20/06/2014, 20:20

... that you’re smarter and faster than all of them? On top of that, there are tens of thousands of professional investors using the kind of software, hardware, data, technical support, and underlying ... to four times the valuation of a typical company This means the market expected these companies to eventually increase their earnings relative to the size of the market to three or four times their ... looked at the popular growth stocks the top fifth of the market in terms of their P/E ratio Their data showed that these very expensive companies increased their earnings about 10% faster than the...

Ngày tải lên: 20/06/2014, 20:20

... for the tech collapse of 2000 The story of Select Technology is emblematic of the nature of fund flows First, they are most often contrary indicators—funds in high-performing sectors of the market ... Although there were a few hour-long classes on the basics of stocks and bonds, these sessions were geared toward keeping the green recruits just one step ahead of their clients Most of the training ... dependent on the good will of the company If analysts are too critical of the companies they are covering, that vital information the lifeblood of their craft—could dry up in a heartbeat So the recommendations...

Ngày tải lên: 20/06/2014, 20:20

... generalized lack of knowledge of three of the four pillars—investment theory, history, and psychology Toss in the inevitable luck of the draw, and many will have long-term real returns of less than ... knew the ins and outs of the fund playbook the Investment Company Act of 1940—as well as Jack Bogle Among other things, the Act mandated that the fund directorship be separate from that of the ... and the like On the other hand, the folks at the top of the greasy pole the regular columnists for the major national periodicals—are usually wellinformed and smart enough to understand the futility...

Ngày tải lên: 20/06/2014, 20:20

... within the sheltered (retirement) part of the portfolio she chooses On the other hand, if she invests all of the money in stocks, then she will be able to invest only the tax-sheltered 10% of it ... for a total of 13.2% foreign equity (the sum of the four international funds) and 6% REITs So, of the second $5,000 added, only $1,500 will go into the Total International Fund The other $3,500 ... auction (Initially, the two- and five-year notes are bought at auction, the others in the “secondary market.”) The other three-quarters of the bond allocation are split among the Vanguard Short-Term...

Ngày tải lên: 20/06/2014, 20:20

... most of what these poor folks traded, and my guess is that many of them had recently been on the phone to Momma inquiring about the availability of their old room On the other hand, if only 2% of ... 1.0741 Therefore, the unrebalanced return is 7.41% The calculation of the unrebalanced return is the source of not a little mischief Many mistakenly calculate it as the weighted average of the annualized ... to turn out a stream of articles about strategists- and fund managers -of -the- month rather than serious analysis In the last section, we synthesized the knowledge in these four areas into a basic...

Ngày tải lên: 20/06/2014, 20:20

... exist, then the atheist roasts eternally in Hell The rational person thus chooses to believe in Him The financial markets work the same way, and the canyons of Wall Street are littered with the ... Duh The laws of arithmetic continue to apply: since professional investors are the market, in the aggregate they must receive the market return minus expenses I’m not going to bore you with the ... with them The place to be? Emerging markets, of course, with their blistering economies This line of reasoning has more than a few flaws First of all, it turns out that, on average, the stocks of...

Ngày tải lên: 20/06/2014, 20:20

... God's own thoughts, thereby achieving apotheosis -the ascent of the mind of man to the mind of ro Minding Closely God By the time of Galileo, mathematics was called the language of God In order to ... followed by the formation of hypotheses, which are then put to the test of experience We are following in the footsteps ofgiants of the past, who probed these issues deeply and presented their conclusions ... settling the body, speech, and mind in their natural states ofequilibrium Bring awareness to the field of the body, becoming mindfully present from the soles of the feet to the crown of the head...

Ngày tải lên: 28/06/2014, 19:20

... God's own thoughts, thereby achieving apotheosis -the ascent of the mind of man to the mind of ro Minding Closely God By the time of Galileo, mathematics was called the language of God In order to ... followed by the formation of hypotheses, which are then put to the test of experience We are following in the footsteps ofgiants of the past, who probed these issues deeply and presented their conclusions ... settling the body, speech, and mind in their natural states ofequilibrium Bring awareness to the field of the body, becoming mindfully present from the soles of the feet to the crown of the head...

Ngày tải lên: 28/06/2014, 20:20