Sentences with phrase «of number of observations»

In statistics, the uncertainty in a statistic estimated from a set of samples commonly varies in inverse proportion to the square root of the number of observations.

σw is the raw OLS estimate of the standard uncertainty, ν is the ratio of the number of observations to the number of independent degrees of freedom, and σc is the corrected standard uncertainty.

If the errors are uncorrelated and of the same order of magnitude they will cancel to a significant degree, and the accuracy of the final result will improve proportionally to the inverse square root of the number of observations.

«[it is] erroneous to suggest that the estimate of the global average ocean temperature is given by the instrument accuracy divided by the square root of the number of observations (as you would if the observations were of the same quantity).»

It is therefore erroneous to suggest that the estimate of the global average ocean temperature is given by the instrument accuracy divided by the square root of the number of observations (as you would if the observations were of the same quantity):

However, it turns out that the standard error is inversely proportional to the square root of the number of observations.

Finally T - Statistics is calculated considering average alpha, slandered deviation of alpha and number of data points using the formula (Average Alpha x Square Root of Number of observations) / Slandered Deviation of Alpha.

The logarithm of the number of observations was used to reduce the impact of highly abundant genera.

Not exact matches

As I point out in the video, his observations showed the masses of clusters were too large, but the numbers he got were far too high, and we now know they must have been in error (or, to be more fair, his uncertainties were too large).

«We'd love to proclaim these numbers as definitive evidence of a real downshift in the trend in claims, but it's even riskier than usual to put too much weight on single observations at this time of year,» says Shepherdson.

Among widely followed indicators, we can see some of this in the declining number of individual stocks achieving new 52 - week highs when the major market indices push higher, by the tendency for trading volume to become dull on advances and expand on declines (or what is a similar observation, the tendency for the market to make little progress on heavy up - volume and substantial downside progress on light down - volume), and in the recent explosion of insider selling.

In China, the Heisenberg uncertainty principle of physics holds sway, whereby the mere observation of economic numbers changes their behavior.

The Auditor General has raised a number of these issues in her «Observations» on the federal government's financial statements but little progress has been made to date.

Considering this, coupled with my observation that the number of personal cars has significantly increased since my last visit to Beijing in 2007, I am wary of the efficacy of emission control at the consumer level.

But MacIntyre's observation also shows why, for non-emotivists, such surveys must always issue in a complete non sequitur: one does not abrogate the Ten Commandments by pointing to the number of murders in Detroit, or the divorce rate in Reno, or the decline in church attendance in Peoria.

The number of observations supporting evolution is overwhelming.

Another observation from such workshops: the number of laypeople in attendance slowly but surely is overtaking the number of clergy.

It'd be easy to chalk up Porter's observation to the increasing number of so - called «nones.»

Carl makes a number of gritty observations in the thread that deserve a separate post.

A Guardian editorial in May described the decline in numbers and influence of Christianity and affirms that Christianity gave us «the idea that people have some rights just because they are human, and entirely irrespective of merit, [it] certainly isn't derived from observation of the world.»

A number of observations are called for at this juncture.

A number of modern physicists hold that events at the sub-atomic level are not only indeterminable or unpredictable by scientific observation, but that they are also unpredictable even in principle.

Not only does characterization involve a great deal of interview and observation, it also concludes with a number of attempts at narrative interpretation.

A number of observations counter his suppositions and provide the sort of evidence regarding «cultural relevance» that Easum would have every reason to regard as pertinent.

My first observation is that you fumed over a particular distinction that the articles supposedly did not acknowledge, but the fact is the distinction is acknowledged right here and over 17 other places I counted and numbered with pen on my printed pages of the article.

The argument against neo-Darwinism begins from the undoubted observation that many features of living beings, like the bacterial flagellum or the human eye, are the result of not one genetic mutation but of a large number of such mutations.

My observations will prove itself to be right, judging by the number of atheists increasing in numbers over the last half an hour babbling about religions.

I've always been interested in the experts who use numbers to back up a lot of their sports observations and there's no shortage of it at this conference.

However, keen observation of past cases have revealed that there are a number of contributing factors, the pollinating flowers that provoke this particular reaction, and we think we're in a position to predict precisely where it's going to happen next.

I also agree with Phils observation regarding the number of games he has played in the first team without setting the world alight.

The number of phone interviews needed was based on a «best guess» estimation from previous observation and chart review looking for desired behaviors performed by residents.

«The goal here is to drive those numbers down through rules changes, culture changes, protocol changes, through greater observation and treatment over a longer term period of time.»

While one would generally agree with the benefits of breastfeeding children and other observations made in the write up, the challenge is how to make arrangements that this Godly fluid is available to maximum number of children.

SMMIS contains over 500,000 observations, so even though fewer than 2 % had a planned home birth, the absolute number of planned home births was large enough to give reasonable power to statistical tests.

ClickZ's Kate Kaye provides the latest installment, beginning with her own observations about what mattered in digital politics in the past year and moving on to extended quotes from a number of online politics observers (including e.politics and plenty of friends in the field).

She made the basic arithmetical observation that none of this was deliverable while we were stuffing prisons full of more and more people and cutting staff numbers.

As the number of observations increases, so does the risk of false positives (type I errors).

But there are a number of problems with these observations as a way of looking at the results of this year's local elections.

Although there is no direct relation between election observation and successful elections an independent observer mission has a number of benefits.

You get the idea: it's an extension of the classic observation that someone needs to see an advertisement X number of times (I've always heard «five») before it registers.

Advising Ghanaians on how simple observation of traffic rules could save lives on the road during the season, the governing NDC's Klottey Korle parliamentary aspirant, whose eligibility is as a candidate is being challenged in court by incumbent Nii Armah Ashitey, wrote on her Facebook wall that: «I stopped counting the number of vehicles that jumped red lights this afternoon.

Cuomo's proposal seeks to limit the number of teachers who receive high ratings under the system, since the subjective observations component is seen as an area where administrators have the opportunity to inflate teachers» scores.

The team made the observations using LRO's LEND instrument, which detects hydrogen by counting the number of subatomic particles called neutrons flying off the lunar surface.

They focused on the period starting June 3, 2010, when the riser pipe was cut at the wellhead by engineers, until July 15, 2010 — a timespan when a large number of scientific observations were collected nearby in the air and ocean.

Since the 1960's scientists thought that only in permanently shadowed areas in craters near the lunar poles was it cold enough to accumulate this volatile material, but recent observations by a number of spacecraft, including LRO, suggest that hydrogen on the moon is more widespread.

Paula Stephan, a labor economist at Georgia State University in Atlanta and a member of the next generation committee, has described these arrangements and their effects in exacting detail in her book, How Economics Shapes Science, and a number of the previous reports and studies concur with her observations.

They looked at hourly observations of sea level between 1948 and 2008, which confirmed that the number of extreme tides followed peaks in the solar cycle (Journal of Geophysical Research Atmospheres, DOI: 10.1029 / 2009JD013114).

A large number of additional observations are broadly consistent with the observed warming and reflect a flow of heat from the atmosphere into other components of the climate system.

Before the end of the year, concerned citizens will be able to monitor the streaming video footage for illegal crossers and even call a toll - free number to report their observations to local law enforcement officials.

Vanderburg and his colleagues made additional observations using a number of ground - based facilities: the 1.2 - meter and MINERVA telescopes at Whipple Observatory, the MMT, MEarth - South, and Keck.