Sentences with phrase «average correlation at»

Not exact matches

«We expect correlations in the sector will revert back toward historical averages as investors differentiate between the various headwinds at a micro level,» Kostin said in the note.

At the end of each month, they calculate average pairwise correlations of stocks at a daily frequency over the montAt the end of each month, they calculate average pairwise correlations of stocks at a daily frequency over the montat a daily frequency over the month.

The branch lengths of the high - variance exon tree showed a strong positive correlation with GC content and a negative correlation with the average body mass of species, seen at a much lesser magnitude in the low - variance exon tree (Fig. 6, A to D).

While levels of RNA and protein are strongly correlated when averaged over large numbers of cells, the authors discovered that this correlation breaks down at the level of single cells, with protein information more stably representing cell identity.

Thus, in the calculation of the average correlation matrix, the denominator was adjusted for the number of all valid correlation coefficients at each element of the matrix.

Now, the average percentage of the virgin girls at the age of 18 is about 30 % whilst between 20 - 25 years old it is less than 5 % which indicates a negative correlation.

[xi] At the institution level (weighted by enrollment), the correlation between average SAT / ACT scores and the mobility rates of low - income students is 0.65 for public and private, non-profit institutions combined (0.58 for publics and 0.71 for privates).

The group admits that test - based measures of teacher effectiveness correlate, on average, for any given teacher, from one year to the next, at no better than 0.35, well below the 0.90 correlation one would in principle like to have.

To find out how the individual states performed in 2000 compared with what we might expect on the basis of conditions in each state, I computed the correlation of completion rates with expectations based on three factors: state average socioeconomic characteristics (family income, education, and occupation); the percentage of two - parent families; and the rate at which students change schools.

Some preliminary research by Scott Behrens at Adrian College in Adrian, Michigan, found a significant positive correlation between the habits of mind as measured on his survey and college grade point average (personal communication, April 4, 2005).

Correlation does not equal causation, but a look at average ebook prices in each market is certainly instructive.

Over the last 15 years, the correlations in developed markets have been 45 % at worst, with the average being near 70 %.

• Stable earnings growth in the last 20 years (correlation at least 0.8 out of 1.0) • Yearly earnings growth in the last 5 years at least 5 percent on average • Stable dividend growth in the past (correlation at least 0.9 out of 1.0) • Yearly dividend growth in the last 5 years at least 5 percent on average • No decreasing dividends for at least 10 years • Positive outlook for the earnings of the next business year

«Clearly correlations aren't stable through time,» he concludes, adding that investors who rely on average correlation to determine risk aren't diversifying at all.

Just looking at the average correlation or average downside correlation of the typical Russell 1000 stock to the S&P 500 using a 252 - day lookback should clearly demonstrate a positive trend over time.

According to Evensky: «The MPT model alone will not necessarily work in bear markets, or at least not using historical averages alone as inputs without other adjustments to forecast the return, volatility and especially correlation.»

Past data will show you how prices have reacted at support / resistance levels in the past, along with how moving averages captured trends, and how price acted in correlation to other technical indicators that you may choose.

«The average correlation between these stocks increases at the same rate as market stress.

The correlation has been recently decreasing, with a one - year average now at 70 %.

«If you think about statistical correlation between average life span and body size in mammals it generally tends to be positive - gorillas, elephants and whales are much longer lived than shrews, voles and mice,» says Daniel Promislow, professor of genetics at the University of Georgia.

A UK study looked at sites up to 800 km separation (North / South), and found a low correlation between distant sites, so that > 80 % of the time a wind grid would be producing > 30 % average output... UNQUOTE

At the annual scale, the average correlation coefficient between models

Additional issues The above correlations are based on the average of data from trees at a single site in Ireland.

And we also know that the correlation between global average temperature and atmospheric CO2 is statistically not very robust, so that something else must also «be at work» to cause the gradual warming (or «slow thaw», as you've dubbed it).

I've looked at the global average salinity data at NODC and there is a clear correlation between inter-annual salinity variability and inter-annual sea level change, such that salinity increases at the same time as SL decreases.

At each site, the correlation between calculated averaged solar radiation for each month of the year and that measured at Helena, MT was 0.99 (Additional file 1At each site, the correlation between calculated averaged solar radiation for each month of the year and that measured at Helena, MT was 0.99 (Additional file 1at Helena, MT was 0.99 (Additional file 1).

I see approximately the same correlations of velocities at Tmin versus average velocity as Parker reported, but the distributions for velocity at Tmin is different than that for average velocities.

Exactly, but using good numbers not a «hotchpotch assembly» for which it is claimed to be global temperature (there is no such thing, there is global energy content, but that is totally different story) So calculate correlation CET - GT from 1880 using 5 year bin averaging http://www.vukcevic.talktalk.net//CETGNH.htm P.S. your statement on natural variability on decadal scale is grossly misleading, you got about 130 years of good records so you need to look at multi-decadal picture.

On average, SSTs in this region have a strong positive correlation with temperature anomalies at Faraday station, via a PSA - like teleconnection.

Panel (a) shows the CR flux (red line) from combined Moscow and Climax neutron monitor data, and the globally averaged ISCCP IR low (> 680 mb / < 3.2 km) cloud anomaly plotted at a monthly resolution from June 1983 to December 1994, (b) shows the local correlation coefficient (r - values) achieved between the cloud and CR flux data for 12 - month (boxcar) smoothed values.

Go look at the following Wikipedia page on the Maunder Minimum starting in about 1645 and lasting about 50 years noting the clear correlation between the minimal sunspot activity at the time with lower temperatures, and then look at the chart there showing the enormous increase in average sunspot activity commencing in about 1945 so just starting in and lasting through the exact same time frame of temperature increases that Warmers especially point to as evidence for their thesis.

With a PC link, the data can be used for all sorts of projects, from simple averaging ones to looking at correlations between different measurements such as wind direction and temperature.

The major difference is that whereas you are looking at the correlations of each proxy with their average, I am looking at their variance about the average.

At an annual level this correlation is about 0.4, but when average values over 10 - year periods are compared this correlation rises to about 0.75.»

, tree - ring data were required to: (i) extend back to at least 1700 CE, and (ii) exhibit a positive and significant correlation (p < 0.05) to local or regional temperature (averaged over the entire year or over the growing season).

I can measure the length of the average «Q - tip» I purchase at my local supermarket and also measure the «standing water» in my driveway after a rain storm, I assure you I can (after many statistical gyrations) find a correlation, no doubt about that.

We acknowledge that the variance estimate of the average synthetic effect sizes that are calculated should appropriately account for the correlation between the two outcomes, and we intend to report the correlation value, and the source / means of arriving at such a correlation if it is not reported within the primary study / studies.